MIL-PRF-62368C(AT)
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows:
a) First article inspection (see 4.3)
1) Preproduction inspection (see 4.3.1)
2) Initial production inspection (see 4.3.2)
b) Conformance inspections (see 4.4)
1) Examination (see 4.4.2)
2) Tests (see 4.4.3)
4.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be
conducted under the following conditions:
a) Air temperature: 73 ±18 °F (23 ±10 °C).
b) Barometric pressure: 28.5 (+2, -3) inches of mercury (Hg) (725 (+50, -75)
kilopascals (kPa)).
c) Relative humidity: 50 ±30 percent.
4.3 First article inspection. First article inspection shall be performed on preproduction
or initial production samples as specified herein (see 4.1).
4.3.1 Preproduction inspection. When specified (see 6.2), the preproduction sample
shall consist of two motors. Preproduction inspection shall consist of inspection as specified in
table I.
4.3.2 Initial production inspection. Unless otherwise specified (see 6.2), the Government
shall select two motors, from the first twenty motors produced under the production contract for
initial production inspection. Initial production motors shall be inspected as specified in table I.
4.4 Conformance inspection.
4.4.1 Sampling.
4.4.1.1 Lot formation. Each lot shall consist of all motors, of one type and part number,
from an identifiable production period, from one manufacturer, submitted at one time for
acceptance.
4.4.1.2 Sampling for examination. Samples of motor gearhead for conformance
examination and test shall be in accordance with ANSI/ASQC Z1.4. A lot shall be accepted
when zero (0) defects are found and rejected when 1 or more defects are found.
4.4.2 Examination. Samples selected in accordance with 4.4.1.2 shall be examined for
defects as specified in table II.
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