ELECTRONIC INDUSTRIES ASSOCIATION DRAFT STANDARD
4th DRAFT DOCUMENT, May 1997
EIA CE-2.0, STG-20-2.0
SP-3514
(EIA-710)


GUIDE OF SPACE GRADE REQUIREMENTS
FOR ELECTRICAL CONNECTORS

Melanie Ott
Swales Aerospace/ Goddard Space Flight Center

Table of Contents
Introduction
  1. Scope and objective
    1.1 Scope
    1.2 Objective
  2. General reference information
    2.1 Related documents
    2.2 Electrical connector categories
    2.3 NASA approved parts
  3. Environmental category definitions
    3.1 Industry environmental definitions
    3.2 Military environmental definitions
    3.3 Space environmental definitions
  4. General requirements
    4.1 Design requirements
    4.2 Prohibitions
  5. Test procedures, conditions, and screening requirements
    5.1 Visual and dimensional inspection (all types)
    5.2 Durability
    5.3 Mating and unmating forces / coupling torque (all types)
    5.4 Contact insertion release and removal forces (non-hermetic: C&D)
    5.5 Dielectric withstanding voltage (all types)
    5.6 Insulation resistance (all types)
    5.7 Contact retention (crimp removable types)
    5.8 Contact resistance (all hermetic types)
    5.9 Contact engagement and separation forces (all types except RF)
    5.10 Humidity cycling
    5.11 Mechanical shock(specified pulse for all types)
    5.12 Materials tests: flammability, odor, toxicity (non metal shell)
    5.13 Thermal vacuum outgassing (all types)
    5.14 Vibration (all types)
    5.15 Thermal cycling (all types)
    5.16 Salt spray corrosion(all non-gold plated types)
    5.17 Magnetic permeability (types: D)
    5.18 Insert retention(types: C, D and M)
    5.19 Air leakage (hermetic types: C, D and RF)
    5.20 Low level contact resistance (types: M and P)
    5.21 Crimp tensile strength (Types: M and P)
    5.22 Maintenance aging(non-hermetic types: C and D)
    5.23 Resistance to solder heat(types: D and M)
    5.24 Solderability (types: D and M)
    5.25 Impact(special cases, C type only)
    5.26 Shell-to-shell conductivity (C type only)
    5.27 EMI shielding (C type only)
    5.28 Firewall protection (C type only)
    5.29 Ozone (C type only)
    5.30 Atomic oxygen (non-metal shell types: D, M and P)
    5.31 Contact pin strength(D type only)
    5.32 Cable retention(D type only)
    5.33 Residual magnetism (D type only)
    5.34 RF insertion loss(RF type only)
    5.35 VSWR (RF type only)
    5.36 Coupling proof torque (RF type only)
    5.37 Corona (RF type only)
    5.38 Flammability (all non-metal shell types)
    5.39 UV weathering (All non-metal shell types
  6. Test tables for cross referencing
    Table 3: Screen test requirement vs. environmental category
    Table 4: Screen test vs. connector type

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Webster: Melanie.Ott@gsfc.nasa.gov