MIL-DTL-22244F (OS)
b. Quality 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 4.5.
4.3 First article inspection. First article inspection shall be performed after award of contract and prior
to production by a facility designated in the contract or order (see 6.2). A first article sample acceptable
for environmental and function testing shall be considered a sample which has met the requirements of
3.2 through 3.8.2 and 3.10. First article inspection shall be performed on sample units which have been
produced using the same materials, equipment, processes, and procedures as will be used in regular
production. All parts and materials, including packaging and packing shall be the same as used for regular
production and shall be from the same sources of supply.
4.3.1 Sample size. The first article sample shall consist of 66 cartridges plus retain samples.
4.3.2 Inspection routine. Sixty-six cartridges shall be expended in the tests listed below and a quantity,
specified in the contract, of retain samples used for investigative purposes. Testing shall consist of the
following tests as prescribed in MIL-D-21625F: 40-foot drop (6); temperature and humidity cycling (12),
except that 14 days shall be used in lieu of 28 days; vibration (12); -65F temperature (12); 160F
temperature (12); 70F temperature (12). The number in parenthesis denotes the number of cartridges
allocated for each test. No cartridge shall produce results which fail to meet the requirements of 3.9.1
through 3.9.3. Firings shall be conducted in the test fixture of 4.5.7.
4.3.3 Failure. Failure of any cartridge shall be cause for rejection of the first article sample.
4.4 Quality conformance inspection. Quality conformance inspection shall consist of the tests and
examinations specified in table I and verification of the characteristics classified on the drawings of
DL491837.
4.4.1 Lot size. Unless otherwise specified (see 6.2), the production lot size shall be not less than 281 and
not greater than 10,000. Only primary components from a single lot shall be used in a production lot of
cartridges; however, one primary component lot may be used in more than one cartridge production lot.
4.4.2 Sampling. Unless otherwise specified (see 6.2), sampling shall be in accordance with table II.
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