MIL-PRF-5636E
valve shall be cycled for a total 10,000 at a constant rate. The valve shall then be subjected to the
leakage test in 4.6.2.
4.6.9.10 Valve oil pressure drop. With the valve bypass closed, oil at 200o +2oF and at
maximum continuous oil flow capacity shall be circulated through the valve. The valve oil
pressure drop (PA - PB) + (PC - PD) shall not exceed 12 psi (see figure 1).
4.6.11 Salt fog. The valve shall be subjected to the salt fog test in ASTM-B117 for 50 hours.
The valve shall then be subjected to the individual tests in 4.3.1.
4.6.12 Cleanliness. Cleanliness of the valve shall be demonstrated by industrially accepted test
methods and the methods shall be identified (see 6.2).
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the
contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house
contractor personnel, these personnel need to contact the responsible packaging activity to
ascertain packaging requirements. Packaging requirements are maintained by the Inventory
Control Point's packaging activities within the Military Service or Defense Agency, or within the
military service's system commands. Packaging data retrieval is available from the managing
Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by
contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is
not mandatory.)
6.1 Intended use. The valves are intended for use with the oil coolers using petroleum or
synthetic base oil. The valves have temperature regulation with surge protection incorporating an
oil pressure relief device bypass.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a. Title, number, and date of this specification.
b. Type designation (see 1.2).
c. Issue of ASSIST to be cited in the solicitation, and if required, the specific issue of
individual documents referenced (see 2.2.1 and 2.3).
d. Associated specification (see 3.1) containing the following:
(1) interface dimensions and weight (see3.5.2).
(2) rated oil temperature and tolerance (see 3.6.3).
(3) temperature ratings for opening and closing of thermostatic device (see 3.6.3).
(4) Proof pressure of oil cooler (see 3.6.3)
(5) minimum and maximum oil pressure drop (see 3.6.4).
(6) rated oil flow (see 3.6.8).
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