MIL-PRF-39012E
3.29 Marking. Connectors and associated fittings shall be permanently and legibly marked in
manufacturer's federal supply code, and final assembly date code. The marking location is optional;
when practicable, a location should be picked that will be least likely to be covered in cable assembly
or installation. Marking is required on all parts manufactured to this specification unless specifically
excepted (see 3.1).
3.30 Workmanship. Connectors and associated fittings shall be processed in such a manner as to
be uniform in quality and shall be free from sharp edges, burrs and other defects that will affect life,
serviceability or appearance.
3.31 Manufacturers' control drawing. Connector manufacturers shall insure that special tooling and
dies are documented. The replacement category A, C, D, E, or F PIN's shall be listed on the
manufacturers' control drawing.
3.32 Safety wire hole pullout. When applicable (see 3.1), the connectors are to be tested as
specified in 4.6.25. There shall be no evidence of hole tear out.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. Qualification inspection (see 4.3)
b. Conformance inspection (see 4.4).
c. Periodic inspection (see 4.5).
4.2 Inspection conditions. Unless otherwise specified, all inspections shall be performed in
accordance with the test conditions specified in the "GENERAL REQUIREMENTS" of MIL-STD-202
or EIA-364. For each test of threaded coupling connectors, where the test is performed on mated
pairs, the pair shall be torqued to the specified value (see 3.1).
4.3 Qualification inspection. Qualification inspection shall be performed at a laboratory acceptable to
the Government (see 6.3) on sample units produced with equipment and procedures normally used in
production.
4.3.1 Sample size. Thirty class 1 connectors of the same PIN, or eighteen class 2 connectors of the
same PIN with its mating connector (see 1.2.1), shall be subjected to qualification inspection.
4.3.2 Group qualification. For group qualification of all series of connectors covered by this
specification (see 3.1). Group qualification will be limited to those connectors for which evidence of
manufacturing capability is demonstrated by providing engineering drawings to the qualifying agency.
The Government reserves the right to authorize performance of any or all qualification inspection of
additional types in the group that are considered necessary for qualification within each group.
4.3.3 Inspection routine. The sample shall be subjected to the inspections specified in table II. All
sample units shall be subjected to the inspection of group I. The sample units shall then be divided
equally into six groups of 5 units (class 1) or three units each (class 2) and subjected to the inspection
for their particular group and in the sequence given for that group.
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