MIL-DTL-25955 Connectors, Electrical, Environment Resisting, Miniature, With Snap-In ContactsThis specification covers miniature electrical connectors, plugs and receptacles, of an environment resisting class with snap-in contacts and receptacles of identical mating dimensions of a hermetically sealed class with non-removable contacts.

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MIL-DTL-25955A

3.4.2.6 Insert non-removability. Inserts shall be non-removable from shells for normal service

assembly and maintenance regardless of insert position.

3.4.3 Shell design. Connectors shall be of solid shell design and shall be constructed to positively

retain inserts.

3.4.3.1 Screw threads. Screw threads on other than coupling rings and mating threaded sleeves shall

in accordance with MIL-S-7742.

3.4.4 Coupling connectors. Connectors shall be coupled to counterpart connectors by means of

threaded coupling rings and sleeves. All coupling rings shall be straight knurled or fluted to aid in gripping

of the coupling ring. The coupling thread shall be of a modified acme type as specified on figure 3 and

the applicable detail document. Coupling rings shall be so designed as to assist the rating contacts in

mating and unmating as the coupling ring is respectively tightened or loosened.

Inches

.002

.051

.003

.076

.079

2.007

.166

4.216

FIGURE 3. Coupling threads.