MIL-DTL-46725D(AT)
4.1.2 Conformance inspection. Conformance inspection shall include the examinations
and tests listed in table II.
4.1.2.1 Sampling. Samples for examinations and tests shall be specified in the contract or
order (see 6.2).
4.1.2.2 Examinations. Samples selected shall be examined in accordance with table II.
4.1.2.3 Tests. Samples selected shall be tested in accordance with table II.
4.2 Order of inspection. The inspection sequence may be in any order, except burst
pressure shall be last.
4.3 Verification methods. The types of verification methods included in this section are
visual inspection, measurement, sample tests, full-scale demonstration tests, simulation, modeling,
engineering evaluation, component properties analysis, and similarity to previously-approved or
previously-qualified designs.
4.3.1 Verification alternatives. The manufacturer may propose alternative test methods,
techniques, or equipment, including the application of statistical process control, tool control, or
cost-effective sampling procedures, to verify performance. See the contract for alternatives that
replace verifications required by the specifications.
4.3.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be
conducted under the following standard (room) ambient conditions:
a. Ambient air temperature: 23 + 10°C (77 + 15°F)
b. Barometric pressure: 725 (+50, -75) millimeters (mm) mercury (Hg)
[28.5 (+2, -3) inches (in.)] Hg)
c. Relative humidity: 50 + 30 percent.
Unless otherwise specified herein, the valve shall meet all specified performance requirements in a
hydraulic system, utilizing hydraulic fluid conforming to MIL-PRF-6083 under the following
conditions:
a. Hydraulic fluid temperature of 38 + 5°C (70 + 8°F).
b. All grease or foreign matter shall be removed from the interior parts of the valve
before testing.
c. Air shall be completely removed from all hydraulic portions of the valve prior to
test.
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