MIL-DTL-21617B
4.5.4 Vibration (see 3.6.3). Complete mated connectors shall be vibrated in accordance with test
procedure EIA-364-28, test condition III, to determine conformance with 3.6.3. The following conditions
shall apply:
a. All contacts shall be wired with the appropriate size wire. At least one pair of contacts shall be
connected to a suitable testing circuit with at least 0.1 ampere flowing through the contacts.
b. Plugs and receptacles shall be held together only by the normal locking device.
(1)
Strain relief shall be provided by the use of back shells.
(2)
Wires shall be supported on a stationary frame not closer than 12 inches (305 mm) from the
connectors.
c. There shall be no interruption of continuity of the contact circuits.
4.5.5 Mechanical shock (specified pulse) (see 3.6.4). A mated plug and receptacle shall be tested in
accordance with test procedure of EIA-364-27. The following conditions shall apply:
a. Mounting method in accordance with test procedure EIA-364-27.
b. Test condition A.
c. Measurements: All contacts shall be monitored for electrical continuity during test and connectors
shall be examined for evidence of failure of metallic or dielectric materials and engagement of the
mated portions after test.
d. The shock test shall be repeated 3 times in both directions of the referenced 90° axis planes (a
total of 18 drops).
4.5.6 Insertion and withdrawal force (mated connectors) (see 3.6.5). The mating and unmating forces
recorded during the mate and unmate cycle shall not be less than the value specified in 3.6.5. The mating
and unmating operation shall be carried out in one smooth continuous motion the following conditions
shall apply:
a. A test fixture shall be provided to solidly mount both halves of the connector pair and shall closely
duplicate the normal operations of mating and unmating of the connector. The test fixture shall be
designed to include a force gage capable of indicating the force required to fully mate and unmate
the connector halves. The fixture shall be designed to properly align the connector halves before,
and during, the mating and unmating operation, eliminating any effect from connector half
misalignment.
b. The connector plug and receptacle shall be mounted on specimen plates, by means of the .120
inch (3.05 mm) diameter mounting holes. The plates shall be of such size and material as to
permit adaptation to test apparatus without damage to the specimen. The plates shall simulate
actual rack and panel mountings and shall be fabricated from solid sheets.
4.5.7 Durability (see 3.6.6). The complete connector assemblies shall be subjected to 500 cycles of
insertion and withdrawal at a rate not exceeding 600 cycles per hour. The insertions and withdrawals shall
be accomplished in a manner similar to that which the connectors shall be subjected to in service. After
500 cycles, the plug and receptacle assemblies shall conform to the durability requirements of 3.6.6.
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