METRIC
MIL-PRF-87257B
22 April 2004
SUPERSEDING
MIL-PRF-87257A
8 December 1997
PERFORMANCE SPECIFICATION
HYDRAULIC FLUID, FIRE RESISTANT; LOW TEMPERATURE,
SYNTHETIC HYDROCARBON BASE, AIRCRAFT AND MISSILE
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 a synthetic
hydrocarbon base hydraulic fluid for use in the -54°C to +200°C temperature range in aircraft
and missile hydraulic systems. This hydraulic fluid is identified by NATO Code No. H-538 (see
6.5).
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 documents cited in sections 3 and 4 of this specification, whether or not they are
listed.
AMSC N/A
FSC 9150
Comments, suggestions, or questions on this document should be addressed to ASC/ENOS,
2530 Loop Road West, Wright-Patterson AFB OH 45433-7101 or e-mailed to
Engineering.Standards@wpafb.af.mil. Since contact information can change, you may want to
verify the currency of this address information using the ASSIST Online database at
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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