METRIC
MIL-PRF-6083G
26 April 2013
SUPERSEDING
MIL-PRF-6083F
17 September 1997
PERFORMANCE SPECIFICATION
HYDRAULIC FLUID, PETROLEUM BASE,
FOR PRESERVATION AND OPERATION
This specification is approved for use by all
Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification describes the characteristics and provides the requirements for one
grade of petroleum base hydraulic fluid for use in the -54C to +135C temperature range (see 6.1). This fluid
is rust inhibited and used both as a preservative for hydraulic systems and components as well as being an
operational fluid. This hydraulic fluid will not be used for aircraft systems, aircraft ground support equipment,
or the preservation of aircraft components. The hydraulic fluid is identified by Military Symbol OHT and
NATO Symbol C-635.
1.2 Part identifying number (PIN). The PIN to be used for hydraulic oil acquired to this
specification is created as follows:
M6083-
01
OHT
"M" prefix and specification number
Dash number from Table IV indicating
the container size and NSN
OHT is military symbol
Comments, suggestions, or questions on this document should be addressed to the Commander, U.S.
Army Tank-Automotive and Armaments Command, ATTN: RDTA-EN/STND, MS-268, Warren, MI
48397-5000, or emailed to usarmy.detroit.rdecom.mail.tardec-standardization@mail.mil. Since contact
information can change, you may want to verify the currency of this address information using the
ASSIST Online database at https://assist.dla.mil.
AMSC N/A
FSC 9150
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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