MIL-DTL-28731F
4.5.1.2 Connectors - first article inspection for a group of connectors. When submitting a group of
connectors for first article inspection, connectors or other specification sheets that are of the same design,
construction, and materials, and having fewer contacts than those submitted need not be separately
submitted and tested, provided that the submitted group of connectors pass all requirements. Completely
assembled connectors (plugs and receptacles) with the maximum number of contacts and accessories to
obtain an assembly with the maximum possible weight shall be subjected to the inspections specified in
table lV. For connectors of the same family but with a smaller number of contacts, two plugs and
receptacles for each connector with a smaller number of contacts shall be subjected to the inspections
specified in table lll. These samples shall be alternately equipped with available accessories (shields,
clamps, jackscrews, etc.) so that each available feature is tested.
4.5.1.3 Contacts. One hundred and sixty (80 sets) plated and 20 unplated contacts shall be subjected
to the inspection of table V groups I through IV, respectively, in the order shown.
4.5.2 Sample preparation.
4.5.2.1 Connectors. Connectors having crimp or solder type contacts shall be wired using number 22
AWG wire in accordance with SAE-AS22759/9 conforming to PIN M22759/9-22-*, for standard size
contacts (see MIL-C-28731/20) and 26 AWG wire in accordance with SAE-AS22759/9 conforming to
M22759/9-26-* for mini size contacts (see MIL-C-28731/35).
4.5.2.2 Contacts - crimp type. Contacts shall be crimped with a tool in accordance with
MIL-C-22520/17 (see 3.4.2.2) to wire in accordance with SAE-AS22759/9. The wire size shall be in
accordance with 4.5.2.1.
4.5.2.3 Contacts - solder type. Contacts shall be wired to wire in accordance with SAE-AS22759/9.
The wire size shall be in accordance with 4.5.2.1.
4.5.2.4 Contacts - wrappost. Preparation not applicable, see 3.4.2.5.
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