MIL-DTL-21617B
3.6.17 Resistance to soldering heat. When tested as specified in 4.5.18, the connectors shall be
visually inspected and shall show no evidence of distortion or physical damage and shall meet the contact
retention requirements of 3.6.8.
3.7 Interchangeability. Receptacles of a given size and design manufactured by one source to the
requirements of this specification shall be capable of mating with associated plugs manufactured to the
requirements of this specification by other sources. The connector assemblies having the same part
number shall be directly and completely interchangeable with each other with respect to installation and
performance as specified herein.
3.7.1 Identification marking of connectors. Each connector shall be legibly and permanently marked,
die cast, or stamped as indicated in the individual type requirements (see 3.8), with the manufacturer's
name or trademark and with the appropriate PIN as specified in the individual slash sheets.
3.8 Workmanship. Connectors shall meet the design and dimensional requirements of this
specification. There shall be no evidence of loose contacts, poor molding or fabricating, damaged or
improperly assembled contacts, peeling or chipping of the plating and finish, parting lines of mold which
would indicate flash and improper molding techniques, improper tinning of solder cups, nicks and burrs of
metal parts surfaces, and no post molding warpage of connectors (see 4.5.1).
4. VERIFICATION
4.1 Classification of inspection. The inspection of connectors shall be classified as follows:
a. First article inspection (see 4.3).
b. Conformance inspection (see 4.4).
4.2 Inspection conditions. Unless otherwise specified, all inspections shall be performed in accordance
with the test conditions specified in MIL-STD-202 and EIA-364.
4.3 First article inspection. First article inspection shall be performed by the contractor, after award of
contract and prior to production, at a location acceptable to the Government. First article inspection shall
be performed on sample units, which have been produced with equipment and procedures normally used
in production. First article approval is valid only on the contract under which it is granted, unless extended
by the Government to other contracts.
4.3.1 Sample size. Eight (8) connector pairs shall be subjected to first article inspection.
4.3.2 Inspection routine. The sample pairs shall be subjected to the inspections in table VII, in the order
shown. All sample units shall be subjected to the inspections of group I. The sample shall be divided
equally into four groups of two pairs each, and subjected to the inspections for their particular group.
4.3.3 Failures. One or more failures shall be cause for refusal to grant lot approval.
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