MIL-PRF-9439F
a. Temperature: -65o to 160oF.
b. Vibration: Frequencies from 10 to 40 Hz at a double amplitude of 0.018 to 0.020
inch.
3.7 Item identification. Item shall be marked for identification with the following
information:
a.
Item name.
b.
Manufacturer s name.
c.
Manufacturer s CAGE code.
Manufacturer s part number (P/N).
d.
e.
MIL-PRF-9439.
3.8 Interchangeability. All parts having the same number manufacturer s part number
shall be functionally and dimensionally interchangeable.
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 4.3).
4.2 First article inspections. First article inspection shall be performed on four valves of
each size, and shall include all the tests described (see 4.6).
4.3 Conformance inspection. Conformance inspection shall include the tests in 4.3.1 and
4.3.2.
4.3.1 Individual tests. Each valve shall be subjected to the following tests:
a. Examination (see 4.6.1).
b. Opening and closing torque (see 4.6.4).
c. Leakage (see 4.6.6).
4.3.2 Sample tests. After completion of the individual tests (see 4.3.1), a sample of
valves shall be selected in accordance with ASQ-Z1.4 at a normal inspection level unless
modified in the procurement document (see 6.2), and be subjected to the following examination
and tests:
a. Dimensions (see 4.6.2).
b. Flow (see 4.6.5).
c. Proof pressure (see 4.6.9).
5
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business