ISO INTERNATIONAL STANDARD 26871 Second edition 2020-10 Space systems Explosive systems and devices Systemes spaciaux-Dispositifs etequipements explosifs Reference number IS0 26871:2020(E) @ IS0 2020 copyrighted by UNE, C/ Genova, 6. 28004 Madrid, Spai 14:47UTC2024 Downloaded/printed for Georgia Institute of Technologv. This standard provided bv AENOR. reproductions authorized. IS0 26871:2020(E) COPYRIGHT PROTECTED DOCUMENT @ IS0 2020 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. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved copyrighted by UNE, C/ Genova, 6. 28004 Madrid, Spain (all rights reserved); Sun Feb 18 00:14:47 UTC 2024 Downloaded/printed for Georgia Institute of Technoloev. This standard provided bv AENOR. No further reproductions authorized. IS0 26871:2020(E) Contents Page Foreword V Introduction vi 1 Scope .1 2 Normative references 1 3 Terms, definitions, abbreviated terms and symbols .1 3.1 Terms and definitions 1 3.2 Abbreviated terms 8 3.3 Symbols 10 4 Requirements .10 4.1 General 10 4.1.1 Background information 10 4.1.2 Overview 10 4.1.3 Applicability 11 4.1.4 Properties. 11 4.2 Design 11 4.2.1 General. 11 4.2.2 Debris requirements. 12 4.2.3 Reliability and confidence levels 13 4.2.4 Performance 13 4.2.5 Wanted and unwanted response .13 4.2.6 Dimensioning 13 4.3 Mission 16 4.4 Functionality 16 4.5 Safety 17 4.5.1 General. 17 4.5.2 Prevention of unintentional function 17 4.6 Survival and operational conditions 18 4.7 Interface requirements 19 4.7.1 General. 19 4.7.2 Functional 19 4.7.3 Internal. 19 4.7.4 External 20 4.8 Mechanical, electrical, and thermal requirements. 20 4.8.1 Mechanical .20 4.8.2 Electrical. 21 4.8.3 Thermal. .24 4.8.4 Status check. 25 4.9 Materials. 26 4.10 Production lot 27 4.11 Non-explosive components and equipment 27 4.11.1 Connectors 27 4.11.2 Wiring. 27 4.11.3 Shielding. 28 4.11.4 Faraday cap 28 4.11.5 Safety cap. 28 4.11.6 Power... 28 4.11.7 Arm plug receptacle .29 4.11.8 Safe plug .29 4.11.9 Arm plug. 30 4.11.10 Test plug .30 4.11.11 Safe and arm device. 30 4.11.12 Initiator harness connector .32 4.11.13 Initiator test substitute. 32 s2Arigesee ii pain (all rights reserved); Sun Feb 18 00:14:47 UTC 2024 Downloaded/printed for Georgia Institute of Technologv. This standard provided bv AENOR. No further reproductions authorized IS0 26871:2020(E) 4.12 Explosive components 32 4.12.1 General .32 4.12.2 Initiators, cartridges, detonators and packaged charges. .33 4.12.3 Through-Bulkhead initiators. 38 4.12.4 Integral initiator connectors. 38 4.12.5 Transfer devices 39 4.12.6 Safe and arm devices containing explosive. 40 4.12.7 Gas generators. 41 4.12.8 Shaped charges. 41 4.12.9 Expanding tube separation system 42 4.12.10 Distribution boxes.. 43 4.12.11 Explosive delays 44 4.13 Explosively actuated devices. 45 4.13.1 General 45 4.13.2 Separation nuts and separation bolts .46 4.13.3 Pullers 47 4.13.4 Pushers (Thrusters) 48 4.13.5 Cutters. 48 4.13.6 Pyro-valves 49 4.14 Items external to the flight equipment. 50 4.14.1 GSE 50 4.14.2 Test equipment 50 4.14.3 Launch site 50 4.15 Verification 50 4.15.1 General. 50 4.15.2 Inspection 50 4.15.3 Tests. 51 4.15.4 Qualification and lot acceptance 53 4.16 Transport, facilities, handling and storage 56 4.16.1 General 56 4.16.2 Transport 56 4.16.3 Facilities. 57 4.16.4 Handling and storage. 57 4.17 In-service 58 4.17.1 Information feedback 58 4.17.2 Launch site procedures 58 4.17.3 Monitoring. 58 4.18 Product assurance. 58 4.18.1 General 58 4.18.2 Dependability 58 4.18.3 Assembly integration and tests. 58 4.19 Deliverables 59 AnnexA(norm