MIL-DTL-38726B
TABLE IV. Qualification inspection.
Test
Requirement
method
Requirement
paragraph
paragraph
Examination of product
Plating verification (cadmium or zinc) 1/
Salt spray 2/
Proof pressure
Leakage
Burst pressure
Low temperature flexibility
Over-tightening torque
1/ May be supplied by the plating manufacturer.
2/ Applicable to cadmium, zinc and phosphate coated adapters.
4.4.4 Failures. One or more failures shall be cause for refusal to grant qualification approval.
4.4.5 Retention of qualification. To retain qualification, the manufacturer shall submit a report at
12-month intervals to the qualifying activity. The qualifying activity shall establish the initial reporting date.
Each report shall contain a summary of the results obtained from both the sampling tests and the periodic
control tests performed during the 12-month period. The number of lots and quantities of adapter
assemblies that have passed and failed shall be included. All reworked sampling lots shall be accounted
for and identified.
TABLE V. Qualification inspection sequence.
Sample number
Test
Required qualification
Hose assemblies
method
Adapter
inspection
assemblies
1
2
3
4
paragraph
Examination of product
1 through 6
X
X
X
X
Plating verification
1 and 2
Salt spray
3 and 4 1/
Proof pressure
X
X
X
X
Leakage
X
X
Burst pressure
X
X
Low temperature flexibility
X
X
Over-tightening torque
5 and 6
Proof pressure
X
X
1/ Applicable to steel adapters with cadmium, zinc and phosphate coated finish.
4.4.5.1 Non-conformance of qualification. If the summary of test results indicates nonconformance
with the requirements specified herein, but corrective measures acceptable to the qualifying activity have
not been taken, action may be taken to remove the failing product from the QPL.
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