MIL-PRF-83867D (USAF)
4.2 Qualification inspection.
Qualification inspection shall consist of all tests specified in 4.6 except 4.6.2. The disconnection
force test specified in 4.6.2 is a conformance inspection only.
4.2.1 Qualification samples.
The qualification samples shall consist of three connectors prepared in accordance with this
specification and representative of production.
4.3 Conformance inspection.
Conformance inspection shall consist of:
a. Individual inspection (see 4.3.1)
b. Sampling inspection (see 4.3.2)
4.3.1 Individual inspection.
Each connector shall be subjected to the following inspections.
a. Examination of product (see 4.6.1)
b. Disconnection force (see 4.6.2)
4.3.2
Sampling inspection.
4.3.2.1 Sample size.
The sample size shall be three connectors chosen at random from each lot of 100 or less
connectors.
4.3.2.2 Sampling tests.
The samples shall be subjected to the following tests:
a. Leakage, except that only the 77 ±18 °F portion of the test shall be conducted (see
4.6.4).
b. Pressure drop through connector (see 4.6.5).
c. Odor (see 4.6.9).
4.4
Test conditions.
4.4.1 Atmospheric conditions.
Unless otherwise specified in the acquisition documents (see 6.2), all tests required by this
specification shall be made at an atmospheric pressure of 28 to 32 inches of mercury, at a
temperature of 77 ±18 °F, and at a relative humidity of 80% or less. When tests are conducted
with atmospheric pressure or temperature substantially different from these values, proper
allowance shall be made for the change in instrument reading.
4.4.2 Gas.
The gas used in testing the connectors shall be oxygen conforming to type I of MIL-PRF-27210,
water-pumped nitrogen conforming to A-A-59503, type I, grade B, class 1 or compressed air
conforming to BB-A-1034, compressed source II, grade B. The water content shall be 0.3
milligrams per liter at dew point 65 °F or 26.3 parts per million. If either nitrogen or air is used,
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