METRIC
DOD-PRF-85734A
29 June 2004
SUPERSEDING
DOD-L-85734 (AS)
21 February 1986
PERFORMANCE SPECIFICATION
LUBRICATING OIL, HELICOPTER TRANSMISSION SYSTEM,
SYNTHETIC BASE
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers the requirements for one grade of a synthetic base
helicopter transmission system lubricating oil.
2. APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3 and 4 of this
specification. This section does not include documents cited in other sections of this
specification or recommended for additional information or as examples. While every effort has
been made to ensure the completeness of this list, document users are cautioned that they must
meet all specified requirements cited in sections 3 and 4 of this specification, whether or not they
are listed.
2.2 Government documents.
2.2.1 Specifications and standards. The following specifications and standards form a part
of this document to the extent specified herein. Unless otherwise specified, the issues of these
documents are those cited in the solicitation or contract.
Comments, suggestions, or questions on this document should be addressed to: Commander, Naval
Air Systems Command, AIR-4.4.5, 22229 Elmer Road, Unit 4, Patuxent River MD 20670-1534, or
e-mailed to Douglas.Mearns@navy.mil. Since contact information can change, you may want to
verify the currency of this address information using the ASSIST Online database at
https://dodssp.daps.mil.
AMSC N/A
FSC 9150
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