MIL-PRF-23827C
6.1 Intended use. The grease is intended for use in ball, roller and needle bearings, gears,
and on sliding and rolling surfaces of such equipment as instruments, cameras, electronic gear and
aircraft control systems that are subject to extreme marine and low temperature conditions not
encountered in commercial aviation. It can be used for rolling and sliding surfaces of equipment
having low motivating power (low torque equipment). Its extremely low volatility (see
evaporation requirement in table I) is of advantage in preventing oil fogging in aircraft optical
instruments. This grease is also intended for use on aircraft gears, actuator screws, and other
equipment requiring a lubricant with high load carrying capacity over a temperature range of
-73° to +121°C.
6.2 Acquisition requirements. Acquisition documents must specify the following:
a. Title, number, and date of the specification.
b. Issue of DoDISS to be cited in the solicitation, and if required, the specific issue of
individual documents referenced (see 2.2.1).
c. Quantity desired.
d. Toxicity (see 6.5).
e. Packaging requirements and marking (see 5.1 and 6.2.1).
6.2.1 Marking. Containers should be marked in accordance with MIL-STD-290,
"Packaging of Petroleum and Related Products." All unit and intermediate packs of toxic and
hazardous chemicals and materials should also be labeled in accordance with the applicable laws,
statutes, regulations, and ordinances, including federal, state, and municipal requirements. Unit
and intermediate containers should be marked in accordance with ANSI-Z129.1, "Precautionary
Labeling of Hazardous Industrial Chemicals."
6.3 Qualification. With respect to products requiring qualification, awards will be made only
for products which are, at the time of award of contract, qualified for inclusion in Qualified
Products List QPL-23827, whether or not such products have actually been so listed by that date.
The attention of the contractors is called to these requirements, and manufacturers are urged to
arrange to have the products that they propose to offer to the Federal Government tested for
qualification in order that they may be eligible to be awarded contracts or purchase orders for the
products covered by this specification. Information pertaining to qualification of products may be
obtained from the Commander, Attn: Code 4.3.4.1, Building 2188, Naval Air Warfare Center
Aircraft Division, 22347 Cedar Point Road, Unit 6, Patuxent River, MD 20670-1161.
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