MIL-DTL-3950J
4.5.2 Failures. Failure of any switch to comply with the applicable requirements shall be cause for
refusal to grant qualification.
4.5.3 Test data. All test data shall be submitted in triplicate.
4.5.4 Certification of material. When submitting samples for qualification, the manufacturer shall
submit certification that the materials used in his components are in accordance with the applicable
specification requirements, or shall state whether other materials are used. With the qualification test
report, the manufacturer shall submit a cross-reference list of the switch parts and the materials used to
fabricate those parts.
4.6 Inspection requirements for category II and category III switches. Inspection requirements shall be
performed by the supplier after award of contract and prior to production, in accordance with ordering
data (see 6.2).
4.6.1 Category II switches. Additional tests may be required to verify deviations.
4.6.2 Category III switches. Unless specified otherwise in the ordering data, the inspection
requirements shall be in accordance with 4.5.
4.7 Conformance inspection.
4.7.1 Inspection of product for delivery. Inspection of product for delivery shall consist of group A
inspection (see. 4.7.1.2)
4.7.1.1 Inspection lot. All switches that appear on the same MS standard or specification sheet and
that are offered for delivery at one time shall be considered a lot for purposes of sampling and inspection.
Momentary action switches shall form a separate lot.
4.7.1.2 Group A inspection. Group A inspection shall consist of the inspections specified in table III.
The inspections may be performed in any order, except dielectric withstanding voltage shall be performed
after seal testing.
randomly selected group(s) of samples is required for subgroup 1 and subgroup 2. For acceptance of the
lot there shall be zero occurrences of defects.
4.7.1.2.1.1 Subgroup 1. A sample of parts shall be randomly selected in accordance with table IV,
subgroup 1 sampling plan.
4.7.1.2.1.2 Subgroup 2. A sample of parts shall be randomly selected in accordance with table IV,
subgroup 2 sampling plan.
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