MIL-DTL-27536C
4.
VERIFICATION
4.1 Classification of inspections.
The inspection of couplings shall be
classified as:
a.
Qualification inspections (see 4.2).
b.
Quality conformance inspections (see 4.3).
4.2
Qualification inspections.
4.2.1 Test samples. For qualification to a temperature range, the
qualification test sampling shall consist of two couplings each of the
following sizes:
-65° to +800°F
MIL-DTL-27576/1-5, -17, -27, -37
-450° to 250°F
MIL-DTL-27576/2-5, -17
-320° to 1200°F
MIL-DTL-27576/3-5, -17, -27, -37
Testing to a size shall qualify for all sizes up to and including the tested
size.
For a specific size and temperature range, submission of two couplings is
required for qualification testing. The test samples shall be identified with
the manufacturer's part number and any additional information as required and
forwarded to the activity responsible for testing as designated in the letter
of authorization from that activity (see 6.4).
4.2.1.1 Data to accompany test samples. The test samples shall be
accompanied by two complete sets of detail and assembly drawings. The
following data shall be furnished on or together with the assembly drawings:
a.
Overall dimensions.
b.
Materials and construction, treatment and finish.
c.
Weight.
d.
Any special installation instructions considered necessary.
4.2.2 Test report. The test report submitted with the qualification test
samples shall conform to MIL-STD-831 and shall include the following:
a.
Report of all tests, graphically presented when practicable, together
with a detailed statement indicating conformance or extent of
nonconformance with all requirements of this specification, referring
especially to paragraph numbers. Whenever a requirement is considered
to be not applicable, the report should so state.
b.
Diagrams of all test setups.
c.
Outline and description of test and test conditions.
d.
Copies of test log sheets.
e.
Photographs of test setups.
4.2.3 Tests. The qualification tests shall consist of all the
examinations and tests specified in 4.5 and 4.6.
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