MIL-F-8815/28(AS)
25 June 1985
MILITARY SPECIFICATION SHEET
FILTER ELEMENT, NONCLEANABLE, FLUID PRESSURE,
HYDRAULIC LINE, 3000 PSI, 5 MICRON ABSOLUTE,
0
-65 to +160°F, P3 AIRCRAFT, PUMP OUTLET, 8 GPM
This specification is approved for use by the Naval
Air Systems Command, Department of the Navy, and is
available for use by all Departments and Agencies
of the Department of Defense.
The complete requirements for procuring the filter element described herein
shall consist of this document and the latest issue in effect of Specification
MIL-F-8815.
REQUIREMENTS:
Envelope:
See Figure 1.
Pressure Drop: Maximum pressure drop at rated flow (8 GPM) across the
clean filter element shall not exceed 10 psid at 100 + 10°F.
Contaminants: See Table 1.
Degree of Filtration: The filter element shall remove 100 percent of
all contaminants larger than 5 microns and 95 percent of all test
contaminants. The filter efficiency shall be a minimum of 97 percent.
The filter element shall withstand a differential
Element Collapse:
pressure of 4500 psid.
Cold Start: The element shall withstand 3000 psid differential
pressure across the element for the flow cycles and fluid temperature as
specified in the general specification. The element pressure drop following
the cold start test shall meet the requirement for pressure drop as shown
above.
Maximum Particle Passed:
The maximum particle passed shall be no
greater than 5 microns.
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DISTRIBUTION STATEMENT A.
APPROVED FOR PUBLIC RELEASE;
DISTRIBUTION IS UNLIMITED.
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