MIL-PRF-46147D
panels shall be cleaned with aliphatic naphtha, followed by acetone or any environmentally safe
cleaner that cleans surfaces to pass ASTM F22.
4.3.6.3 Salt spray (fog) resistance. To verify conformance to 3.6.3, the test panels shall
be exposed to a 5% salt spray solution for 100 hours in a salt fog cabinet IAW ASTM B117.
Following the exposure, the panel shall be examined, and evidence of more than three rust
spots, or any rust spots greater than 1 mm in diameter, shall result in failure of the test (see
3.6.3). Bonded lubricant thickness on test panels shall conform to 3.4.2.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified
in the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD
personnel, these personnel need to contact the responsible packaging activity to ascertain requisite
packaging requirements. Packaging requirements are maintained by the Inventory Control Point's
packaging activity within the Military Department or Defense Agency, or within the Military
Department's System Command. 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 solid film lubricants covered by this specification is military
unique due to requirement that its performance should not be degraded as a result of exposure to
the military unique fluids specified in table I. The lubricant is intended for use on aluminum,
aluminum alloys, copper and copper alloys, steel, stainless steel, titanium, and chromium and
nickel bearing surfaces. Solid film lubricants are often used on weapons, ground vehicles, and
ground handling equipment. They are used for thin film lubricant for sliding motion application
and under conditions where heavy-load capacity, solvent resistance, and long term corrosion
protection are needed. All end items should have the lubricant applied IAW Appendix A of this
document. It is useful under the following conditions:
a.
Where conventional lubricants are difficult to apply or retain.
b.
Where dust and dirt contamination on lubricated surfaces is deleterious.
Where temperatures may range from -67.0°C to +93.0°C (-88.6°F to 199.4°F).
c.
d.
In mechanisms operated at infrequent intervals.
e.
In mechanisms that are lubricated for the life of the mechanism.
f.
Where long-term corrosion protection is required.
g.
Where a dull, dark gray or black non-reflective surface is required.
h.
Where a sacrificial lubricant is necessary to carry extremely heavy loads
developed in the initial start-up of heavily loaded mechanism designed for fluid
lubrication. In operations consisting of reciprocating motion, loaded to 15 pounds
per square inch (psi) (103 kilopascals (kPa)) or less, where contamination with
conventional fluid lubricants are probable.
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