MIL-PRF-62625B(AT)
TABLE I. Classification of defects.
Method of
Category
Defect
examination
Critical
None
Major:
101
Valve, incomplete (see 3.3).
Visual
102
Dimensions affecting interchangeability, out of
SIE 1/
tolerance (see 3.3.1).
103
Identification marking, improper (see 3.5).
Visual
104
Faulty workmanship affecting performance
Visual
(see 3.6).
Minor:
201
Dimensions not affecting interchangeability, out of
SIE 1/
tolerance (see 3.3.1).
202
Faulty workmanship affecting appearance (see 3.6).
Visual
1/ SIE = Standard Inspection Equipment.
TABLE II. Classification of inspections.
Conformance
First
Acceptance
Title
Requirement
Inspection
Control
article
(100%)
Materials and construction
3.2 thru 3.2.2
4.4.1
X
Defects (see 4.2 and table I)
3.3.1, 3.5,
4.4.3
X
and 3.6
Open-close pressure
3.4.1
4.4.4
X
X
Proof pressure
3.4.2
4.4.5
X
Burst pressure
3.4.3
4.4.6
X
Leakage
3.4.4
4.4.7
X
X
Drainage
3.4.5
4.4.8
X
X
Environmental
3.4.6
4.4.9
X
X
4.3.2 Acceptance tests (100 percent). Each valve selected in accordance with 4.3.1 shall
be subjected to the tests specified in table II. Failure of any test shall be cause for rejection.
4.3.3 Control tests. Control tests shall be conducted on one valve from each lot of
200 units consecutively produced, except that not more than one test shall be performed in a
three month period, nor less than one test in a six month period. The valves shall be subjected to
the tests specified in table II.
4.4 Methods of inspection.
5
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