MIL-DTL-22263C
3.11 Identification of product. Coupling assemblies and parts shall be marked for
identification in accordance with MIL-STD-130. The part or identification number (PIN)
shall be in accordance with 1.2.1.
3.12 Workmanship. The couplings shall be fabricated and finished with no defects,
cracks, burrs and tool marks or sharp edges. Where dimensions are critical and affect the
interchangeability of parts, they shall be kept within the tolerances specified in this
specification.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.4).
4.2 First article inspection. First article inspection shall consist of all examinations and
tests listed in table V.
TABLE V. First article inspection.
Item
Test description
Design requirements
Test requirements
Examination of product
3.7.1
4.7.1
1
Proof pressure
3.7.2
4.7.2
2
Leakage
3.7.3
4.7.3
3
Vacuum leakage
3.7.3.1
4.7.3.1
4
Pneumatic leakage
3.7.3.2
4.7.3.2
5
Fuel resistance
3.7.4
4.7.4
6
High temp fuel aging Phase I
3.7.4
4.7.4.1
7
High temp fuel aging Phase II
3.7.4
4.7.4.2
8
Low temp fuel aging
3.7.4
4.7.4.3
9
Air dry out
3.7.4
4.7.4.4
10
Salt fog
3.7.5
4.7.5
11
Repeated assembly
3.7.6
4.7.6
12
Flexure
3.7.7
4.7.7
13
Vibration
3.7.8
4.7.8
14
Surge pressure
3.7.9
4.7.9
15
Burst pressure
3.7.10
4.7.10
16
11
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