MIL-DTL-53131A
SOCIETY OF AUTOMOTIVE ENGINEERS, INC. (SAE)
SAE AMS 6440
-Carbon Alloy Steels: Grouped By ASIS Numbering System Chromium.
(Application for copies should be addressed to the Society of Automotive Engineers, Inc.,
400 Commonwealth Drive, Warrendale, PA 15096.)
2.4 Order of precedence. In the event of a conflict between the text of this document and the
references cited herein, the text of this document takes precedence. Nothing in this document, however,
supersedes applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Qualification. Lubricating oils furnished under this specification shall be products which are
authorized by the qualifying activity for listing on the applicable Qualified Products List (QPL) before
contract award (see 4.2 and 6.3).
3.2 Materiel safety data sheet (MSDS). Contractor shall furnish a separate MSDS for each
individual item which is defined as hazardous in FED-STD-313, or which is required by the
contract or order. The MSDS shall meet all requirements of the 29CFR 1910.1200 and should be
in accordance with the 16 part format specified in the ANSI Z400.1 standard and shall include all
information that is pertinent to the product. One copy of the MSDS shall be submitted to the
address indicated in FED-STD-313 for the Service/Agency procuring the item, one copy to the
contracting officer, and at least one copy per shipment unless otherwise specified in the contract
or order.
3.3 Materials. The materials used in compounding the lubricant basestock shall consist solely of
polyalphaolefin oligomers. The fluids shall contain additives as specified.
3.3.1 Additives.
3.3.1.1 Oxidation inhibitor. The oxidation inhibitor shall be a hindered bis-phenol. (An example of a
known suitable additive is 4,4-methylenebis (2,6-di-tertiary butyl phenol). A quantity of
0.45 to 0.55 percent by weight shall be used.
3.3.1.2 Antiwear agent. The antiwear agent shall be natural tricresyl phosphate conforming to
TT-T-656 or synthetic tricresyl phosphate. A quantity of 0.9 to 1.1 percent by weight shall be used. The
natural or synthetic tricresyl phosphate shall contain not more than one percent of the ortho-isomer.
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