ISO 26871:2020
Space systems — Explosive systems and devices
This document specifies criteria and requirements for the use of explosive systems and explosive devices commonly used on spacecraft and other space products, including launch vehicles and space vehicle systems. It addresses the aspects of design, analysis, verification, manufacturing, operations and safety.
To the greatest extent possible, requirements from past and existing standards have been analyzed, selected and tailored to be incorporated herein. In addition, the requirements herein include those generated as a result of lessons learned from launch and space vehicle programs.
NOTE Specific requirements for man-rating are not addressed.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
3.2 Abbreviated terms
3.3 Symbols
4 Requirements
4.1 General
4.1.1 Background information
4.1.2 Overview
4.1.3 Applicability
4.1.4 Properties
4.2 Design
4.2.1 General
4.2.2 Debris requirements
4.2.3 Reliability and confidence levels
4.2.4 Performance
4.2.5 Wanted and unwanted response
4.2.6 Dimensioning
4.3 Mission
4.4 Functionality
4.5 Safety
4.5.1 General
4.5.2 Prevention of unintentional function
4.6 Survival and operational conditions
4.7 Interface requirements
4.7.1 General
4.7.2 Functional
4.7.3 Internal
4.7.4 External
4.8 Mechanical, electrical, and thermal requirements
4.8.1 Mechanical
4.8.2 Electrical
4.8.3 Thermal
4.8.4 Status check
4.9 Materials
4.10 Production lot
4.11 Non-explosive components and equipment
4.11.1 Connectors
4.11.2 Wiring
4.11.3 Shielding
4.11.4 Faraday cap
4.11.5 Safety cap
4.11.6 Power
4.11.7 Arm plug receptacle
4.11.8 Safe plug
4.11.9 Arm plug
4.11.10 Test plug
4.11.11 Safe and arm device
4.11.12 Initiator harness connector
4.11.13 Initiator test substitute
4.12 Explosive components
4.12.1 General
4.12.2 Initiators, cartridges, detonators and packaged charges
4.12.3 Through-Bulkhead initiators
4.12.4 Integral initiator connectors
4.12.5 Transfer devices
4.12.6 Safe and arm devices containing explosive
4.12.7 Gas generators
4.12.8 Shaped charges
4.12.9 Expanding tube separation system
4.12.10 Distribution boxes
4.12.11 Explosive delays
4.13 Explosively actuated devices
4.13.1 General
4.13.2 Separation nuts and separation bolts
4.13.3 Pullers
4.13.4 Pushers (Thrusters)
4.13.5 Cutters
4.13.6 Pyro-valves
4.14 Items external to the flight equipment
4.14.1 GSE
4.14.2 Test equipment
4.14.3 Launch site
4.15 Verification
4.15.1 General
4.15.2 Inspection
4.15.3 Tests
4.15.4 Qualification and lot acceptance
4.16 Transport, facilities, handling and storage
4.16.1 General
4.16.2 Transport
4.16.3 Facilities
4.16.4 Handling and storage
4.17 In-service
4.17.1 Information feedback
4.17.2 Launch site procedures
4.17.3 Monitoring
4.18 Product assurance
4.18.1 General
4.18.2 Dependability
4.18.3 Assembly integration and tests
4.19 Deliverables
Annex A (normative) Loads and factors of safety relationship
Annex B (normative) Factors of safety
Annex C (informative) Explosive component colour code
Annex D (informative) Component qualification test levels to be customized to the space system considered
Annex E (informative) Product user manual (PUM/UM) — DRD
Annex F (informative) Safety data sheet
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
3.2 Abbreviated terms
3.3 Symbols
4 Requirements
4.1 General
4.1.1 Background information
4.1.2 Overview
4.1.3 Applicability
4.1.4 Properties
4.2 Design
4.2.1 General
4.2.2 Debris requirements
4.2.3 Reliability and confidence levels
4.2.4 Performance
4.2.5 Wanted and unwanted response
4.2.6 Dimensioning
4.3 Mission
4.4 Functionality
4.5 Safety
4.5.1 General
4.5.2 Prevention of unintentional function
4.6 Survival and operational conditions
4.7 Interface requirements
4.7.1 General
4.7.2 Functional
4.7.3 Internal
4.7.4 External
4.8 Mechanical, electrical, and thermal requirements
4.8.1 Mechanical
4.8.2 Electrical
4.8.3 Thermal
4.8.4 Status check
4.9 Materials
4.10 Production lot
4.11 Non-explosive components and equipment
4.11.1 Connectors
4.11.2 Wiring
4.11.3 Shielding
4.11.4 Faraday cap
4.11.5 Safety cap
4.11.6 Power
4.11.7 Arm plug receptacle
4.11.8 Safe plug
4.11.9 Arm plug
4.11.10 Test plug
4.11.11 Safe and arm device
4.11.12 Initiator harness connector
4.11.13 Initiator test substitute
4.12 Explosive components
4.12.1 General
4.12.2 Initiators, cartridges, detonators and packaged charges
4.12.3 Through-Bulkhead initiators
4.12.4 Integral initiator connectors
4.12.5 Transfer devices
4.12.6 Safe and arm devices containing explosive
4.12.7 Gas generators
4.12.8 Shaped charges
4.12.9 Expanding tube separation system
4.12.10 Distribution boxes
4.12.11 Explosive delays
4.13 Explosively actuated devices
4.13.1 General
4.13.2 Separation nuts and separation bolts
4.13.3 Pullers
4.13.4 Pushers (Thrusters)
4.13.5 Cutters
4.13.6 Pyro-valves
4.14 Items external to the flight equipment
4.14.1 GSE
4.14.2 Test equipment
4.14.3 Launch site
4.15 Verification
4.15.1 General
4.15.2 Inspection
4.15.3 Tests
4.15.4 Qualification and lot acceptance
4.16 Transport, facilities, handling and storage
4.16.1 General
4.16.2 Transport
4.16.3 Facilities
4.16.4 Handling and storage
4.17 In-service
4.17.1 Information feedback
4.17.2 Launch site procedures
4.17.3 Monitoring
4.18 Product assurance
4.18.1 General
4.18.2 Dependability
4.18.3 Assembly integration and tests
4.19 Deliverables
Annex A (normative) Loads and factors of safety relationship
Annex B (normative) Factors of safety
Annex C (informative) Explosive component colour code
Annex D (informative) Component qualification test levels to be customized to the space system considered
Annex E (informative) Product user manual (PUM/UM) — DRD
Annex F (informative) Safety data sheet
Bibliography