MIL-DTL-22653D(OS)
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 as a sample which has met the requirements of
3.2 through 3.10.3 and 3.13 of this specification. 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 intended sources of supply.
4.3.1 Sample size. The first article sample shall consist of 94 cartridges.
4.3.2 Inspection routine. Eighty-four cartridges shall be expended in the tests listed below and 10 shall
be retained for investigative purposes. Testing shall consist of the following tests as prescribed in table
III of MIL-D-21625 (see 6.2): 40-foot drop test (6); 15 "g" shock (12); THC (18); vibration (12); -65bF
temperature (12); +160bF temperature (12); +70bF temperature (12). The number in parentheses denotes
the number of cartridges allocated for each test. The cartridges shall be fired in the test set specified in
4.5.7. No cartridge firing shall produce results outside the limits specified in 3.11.1 through 3.11.3.
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
specified in table I.
TABLE I. Quality conformance tests and examinations.
Classification Item
Nature of test
Requirement para
Test para.
Classification
(DOD-STD-2101)
Insulation
Resistance
3.5
4.5.1
(M101)
Propellant charge
Quantity
3.9.1
-
(M102)
Smokeless powder
Condition
3.9.3
4.5.2
(M103)
Cartridge
Visual examination
3.10.4
4.5.3
(M104)
Cartridge
Bridgewire resistance
3.10.1
4.5.4
(M105)
Cartridge
Leakage
3.10.2
4.5.5
(M106)
Cartridge
X-ray
3.10.3
4.5.6
(M107)
Cartridge
Ballistics
3.11
4.5.7
(M108)
Cartridge
Packaging
Section 5
4.5.3
(M109)
4.4.1 Lot size. Unless otherwise specified (see 6.2), the production lot size shall be not less than 1301
and not greater than 8000 maximum. Only primary components from a single lot shall be used in a
production lot of cartridges; however, one primary component production 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.
4.4.3 Classification of characteristics. The characteristics verified by the tests and examinations herein
are classified as critical, major, or minor in accordance with DOD-STD-2101. Tests and examinations
5
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