MIL-DTL-21097/4G
REQUIREMENTS
Dimensions and configuration: See figure 1 and table I.
Polarizing keys: Part or Identifying Number (PIN). M21097/11-03 or M21097/11-04. A key is inserted
into the card slot at even contact numbers, 2, 4, 6, etc.
Mating male adapters: Shall be in accordance with MIL-DTL-21097/5.
Finish: Gold plating in accordance with ASTM B488, type II, code C, class 1.27, over nickel plating in
accordance with MIL-DTL-38999, Appendix A, class 2, 30 to 150 microinches.
PIN: M21097/4-(dash number from table I).
Qualfication: Not required.
First article testing: First article testing shall be as specified in table II, tests shall be in accordance with
MIL-DTL-21097.
Sample size: 8 connectors shall be subjected to the first article testing. All sample units shall be
subjected to the inspections in group I. The sample units shall be divided equally into 2 groups of four
and subjected to the inspection for their particular groups.
TABLE II. First article tests.
Inspection
Group I (8 samples)
Visual and mechanical inspection
Permeability
Insulation resistance
Dielectric withstanding voltage
Contact resistance
Group II (4 samples)
Temperature cycling
Shock
Bond strength, body assembly
Contact retention
Resistance to soldering heat
Resistance to solvents
Group III (4 samples)
Salt spray (corrosion)
Low-signal level contact resistance
Contact resistance
Bond strength, body assembly
Failures: One or more failures shall be cause for refusal to grant first article approval.
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