Space systems — Programme management — Material, mechanical parts and processes

This document defines the programme management requirements for material, mechanical parts and processes for projects covering mission definition, design, development, production and operations of space systems, including disposal. This document covers the following: — management, including organization, reviews, acceptance status and documentation control; — selection criteria and rules; — evaluation, validation and qualification, or verification testing; — procurement and receiving inspection; and — utilization criteria and rules. This document applies to all space deliverable products and all programme phases.

Systèmes spatiaux — Management de programme — Matériaux, éléments mécaniques et procédés

General Information

Status
Published
Publication Date
22-May-2018
Current Stage
9020 - International Standard under periodical review
Start Date
15-Apr-2023
Completion Date
15-Apr-2023
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ISO 10794:2018 - Space systems -- Programme management -- Material, mechanical parts and processes
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INTERNATIONAL ISO
STANDARD 10794
Second edition
2018-05
Space systems — Programme
management — Material, mechanical
parts and processes
Systèmes spatiaux — Management de programme — Matériaux,
éléments mécaniques et procédés
Reference number
ISO 10794:2018(E)
©
ISO 2018

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ISO 10794:2018(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
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Published in Switzerland
ii © ISO 2018 – All rights reserved

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ISO 10794:2018(E)

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 2
5 General requirements . 3
5.1 Materials, Mechanical Parts and Processes Programme (MMPP) management
requirement . 3
5.1.1 Overview . 3
5.1.2 MMPP plan . 3
5.1.3 Management . 4
5.1.4 Material, Mechanical Parts, Processes Control Board (MPCB) . 4
5.2 Management and consolidation of the activities . 7
5.2.1 Relationship . 7
5.2.2 Establishing and processing of lists . 7
5.2.3 Management of the lists . . 8
5.2.4 Supplier role and responsibilities . 9
5.3 Technical constraints . 9
5.4 Cleanliness and contamination control . 9
5.5 Safety hazardous parts and materials . 9
5.6 Optical, mechanical or electrical GSE hardware . .10
6 Material control .10
6.1 Technical criteria for selection of materials .10
6.2 Selection.14
6.3 Declared materials list content .15
6.4 Criticality analysis .15
6.5 Evaluation and validation phases .16
6.5.1 General.16
6.5.2 Evaluation phase .16
6.5.3 Validation phase .16
6.5.4 Approval phase .16
6.5.5 Deviation request .16
6.6 Procurement of materials .17
6.6.1 Procurement specifications .17
6.6.2 Incoming inspection procedure .17
6.7 Use of materials .17
6.7.1 Validation status of materials .17
6.7.2 Traceability of materials .17
6.7.3 Packaging, storage, removal from storage .17
6.7.4 Limited-life materials before implementation .17
6.7.5 Limited-life materials after implementation .18
6.7.6 Materials' non-conformances and alerts .18
6.7.7 Health and safety .18
7 Mechanical parts control .18
7.1 Verification of mechanical parts .18
7.2 Selection.18
7.3 Declared mechanical parts list .18
7.4 Criticality analysis .19
7.5 Evaluation and qualification phases .19
7.5.1 General.19
7.5.2 Evaluation phase .19
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ISO 10794:2018(E)

7.5.3 Qualification phase .20
7.5.4 Approval phase .20
7.5.5 Deviation request .20
7.6 Procurement of mechanical parts .20
7.6.1 General.20
7.6.2 Procurement specification .20
7.6.3 Source inspection .20
7.6.4 Incoming inspection procedure .21
7.7 Use of mechanical parts .21
7.7.1 Qualification status of mechanical parts .21
7.7.2 Traceability of mechanical parts .21
7.7.3 Packaging, storage, removal from storage .21
7.7.4 Limited-life mechanical parts or parts subject to wearout .21
7.7.5 Mechanical parts non-conformances and alerts .21
8 Process control .21
8.1 Specifications or procedures .21
8.2 Process selection and training .21
8.3 Declared processes list content .22
8.4 Criticality analysis .23
8.5 Evaluation and verification phase .23
8.5.1 General.23
8.5.2 Evaluation phase .23
8.5.3 Verification phase.23
8.5.4 Approval phase .24
8.5.5 Deviation request .24
8.6 Use of a process .24
8.6.1 Verification status of a process .24
8.6.2 Re-verification of a process .24
8.6.3 Implementation of a process .24
8.6.4 Traceability of processes .25
8.6.5 Process non-conformances and alerts .25
8.6.6 Mandatory inspection points (MIPs).25
8.6.7 Packaging, storage, removal from storage .25
Annex A (informative) Relationship between materials, mechanical parts,processes
activities and programme phase .26
Annex B (normative) Declared materials list — Document requirements definition .28
Annex C (normative) Declared mechanical parts list — Document requirements definition .33
Annex D (normative) Declared processes list — Document requirements definition .38
Annex E (normative) Request for approval (RFA) — Document requirements definition .42
Bibliography .46
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ISO 10794:2018(E)

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www .iso .org/iso/foreword .html
This document was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles,
Subcommittee SC 14, Space systems and operations.
This edition of ISO 10794:2018 cancels and replaces the edition ISO 10794:2011, which has been
technically revised and includes the following changes:
— bacterial and fungus growth has been added;
— Hydrogen embrittlement has been added; and
— manned environment has been added.
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ISO 10794:2018(E)

Introduction
This document is intended for application by the management in space programmes and applications.
The formation of this document takes into account the existing International Standards prepared by
ISO/TC 176, notably ISO 9000, ISO 9001 and ISO 9004, and the content of ISO 14300-1 and ISO 14300-2.
This document specifies the requirements and statements applicable to materials, mechanical parts
and processes to satisfy the mission performance requirements.
This document also specifies the documentation requirements and the procedures relevant to obtaining
approval for the use of materials, mechanical parts and processes in the fabrication of space systems
and associated equipment.
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INTERNATIONAL STANDARD ISO 10794:2018(E)
Space systems — Programme management — Material,
mechanical parts and processes
1 Scope
This document defines the programme management requirements for material, mechanical parts and
processes for projects covering mission definition, design, development, production and operations of
space systems, including disposal.
This document covers the following:
— management, including organization, reviews, acceptance status and documentation control;
— selection criteria and rules;
— evaluation, validation and qualification, or verification testing;
— procurement and receiving inspection; and
— utilization criteria and rules.
This document applies to all space deliverable products and all programme phases.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 14300-2, Space systems — Programme management — Part 2: Product assurance
ISO 27025, Space systems — Programme management — Quality assurance requirements
ISO 23461, Space systems — Programme management — Non-conformance control system
ISO 9000, Quality management systems — Fundamentals and vocabulary
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 9000 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at http: //www .electropedia .org/
— ISO Online browsing platform: available at https: //www .iso .org/obp
3.1
critical material
material that is new to an individual company or non-validated for the particular application and
environment, or that has caused problems during previous use that remain unresolved
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ISO 10794:2018(E)

3.2
critical mechanical part
mechanical part that requires specific attention or control due to fracture mechanics aspects and
limited-life aspects, or with which the contractor has no previous experience of using the mechanical
part in the specific application and environment or are new or non-qualified, or that has caused
problems during previous use that remain unsolved
3.3
critical process
process new to an individual company or non-verified for the application in question or has caused
problems during previous use that remain unresolved
3.4
mechanical part
piece of hardware that is not electrical, electronic or electromechanical and that performs a simple
elementary function or part of a function in such a way that it can be evaluated as a whole against
expected requirements of performance and cannot be disassembled without destroying this capability
3.5
process
set of interrelated or interacting activities that transforms inputs into outputs
Note 1 to entry: See ISO 9000.
Note 2 to entry: In this document, “process” means the manufacturing process of product, i.e. set of interrelated
resources and activities which transforms a material or semi-finished product into a semi-finished product or
final product.
3.6
request for approval
document by which the supplier or user asks the competent body for permission to use a critical
material, part or process
3.7
special process
process where quality cannot be completely ensured by inspection of the end article only
4 Abbreviated terms
The following abbreviated terms are defined and used within this document.
AA Aluminium Association
AOCS attitude and orbit control system
ATOX atomic oxygen
AISI American Iron and Steel Institute
CDA Copper Development Association
CDR critical design review
CFRP carbon fibre reinforced polymer
CI configuration item number (as per project definition)
DML declared materials list
DMPL declared mechanical parts list
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ISO 10794:2018(E)

DPL declared processes list
DRD document requirements definition
EEE electrical, electronic and electromechanical
ESA European Space Agency
GOX gaseous oxygen
GSE ground support equipment
LEO low earth orbit
LOX liquid oxygen
MIP mandatory inspection point
MMPP materials, mechanical parts and processes
MPCB Material, Mechanical Parts and Process Control Board
NASA National Aeronautics and Space Administration
NCR non-conformance report
NRB non-conformance review board
PA product assurance
PDR preliminary design review
PID process identification document
PMP parts, materials, processes
QR qualification review
QRR qualification review report
RFA request for approval
RFD request for deviation
SCC stress corrosion cracking
5 General requirements
5.1 Materials, Mechanical Parts and Processes Programme (MMPP) management
requirement
5.1.1 Overview
The general MMPP activity within the framework of a project is summarized in Figures 1 and 2.
5.1.2 MMPP plan
The suppliers shall prepare, maintain and implement a MMPP plan, as part of the overall PA plan in
accordance with ISO 14300-2 and this document, or exist as a separate document.
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ISO 10794:2018(E)

The MMPP plan shall be submitted to the customer for approval.
5.1.3 Management
The supplier shall appoint a MMPP manager. The MMPP Manager shall ensure that the Materials,
Mechanical Parts and Processes used to manufacture a spacecraft or a launcher satisfy both the ground
and flight functional requirements and constraints of the project. To obtain the validation status for
materials and qualification status for parts and verification status for processes, the MMPP manager
shall present to the customer activities which were performed in conformance with this document
together with results obtained.
5.1.4 Material, Mechanical Parts, Processes Control Board (MPCB)
The MMPP manager shall organize Material, Mechanical Parts and Processes Control Board (MPCB)
with his or her suppliers at all levels, as appropriate. The MPCB activity shall start not later than at PDR.
The MMPP Manager shall agree with the customer on the MPCB’s activities at PDR. Minimum tasks of
the MPCB shall be as follows:
— coordination of the initiation and approval of RFA’s in conformance with DRD from the Annex E by
involving the relevant technical discipline;
— review and approval of test programme and related results;
— review of preliminary Declared Materials, Mechanical Parts and Processes Lists and of any available
evidence to support the approval, by the PDR;
— review and approval of Declared Materials, Mechanical Parts and Processes Lists and of the evidence
for the approval by the CDR; and
— review and approval of any change to the approved Declared Materials, Mechanical Parts and
Processes Lists.
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ISO 10794:2018(E)

Figure 1 — Materials, mechanical parts and processes flow chart (continued in Figure 2)
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ISO 10794:2018(E)

Figure 2 — Materials, mechanical parts and processes flow chart (continued from Figure 1)
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ISO 10794:2018(E)

Table 1 — Steps to be taken to get approval for materials, mechanical parts and processes
Approval process for materials, mechanical parts and processes (MMPP)
Materials Mechanical parts Processes
Phase
Step Comments Step Comments Step Comments
Critical analysis 1 — 1 — 1 —
Critical processes are
evaluated by testing
Mechanical parts are
Evaluation (usually Critical materials “technology samples”
tested by, for example,
by test methods are tested, e.g. including all, for
2 2 vibration, thermal 2
defined by national outgassing, SCC, example, electrical
analysis, offgassing and
agency standards) flammability. interconnection pro-
life test.
cesses and painting,
adhesive bonding.
Verification/valida-
3 Validation 3 Qualification 3 Verification
tion/qualification
By RFA (see By RFA (see Annex E) By RFA (see Annex E)
Approval 4 4 4
Annex E) or DML or DMPL/DPL or DPL
NOTE 1 Project approval is always by means of the request for approval (RFA) form and the project's de-
clared materials list (DML), declared mechanical parts list (DMPL) and declared processes list (DPL).
NOTE 2 The details for approvals of MMPP lists are contained in this document.
NOTE 3 To summarize: Materials are validated.
  Mechanical parts are qualified.
 Processes are verified.
And in addition: Skills training schools are customer approved.
 Outside test or evaluation laboratories are customer approved.
Operators and inspectors for critical processes are trained, competent and

monitored.
5.2 Management and consolidation of the activities
5.2.1 Relationship
The relationship between materials and processes activities and programme phases is shown in
Annex A.
5.2.2 Establishing and processing of lists
5.2.2.1 Each supplier and lower-level supplier shall establish, collect, r
...

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