MIL-S-27661C
*
4.6.2.2 Humidity.
A humidity test shall be conducted in accordance with
I of MIL-STD-810.
There shall be no excessive corrosion resulting
procedure
from this test.
*
4.6.2.3 Fungus. A fungus test shall be conducted in accordance with pro-
After exposure, the strainer shall exhibit no effects
cedure I of MIL-STD-810.
of fungus attack of a deleterious nature.
*
4.6.2.4 Sand and dust.
A sand and dust test shall be conducted in accord-
Entrance of dust shall not be permitted.
ante with procedure I of MIL-STD-810.
*
4.6.2.5 Salt atmosphere.
A salt spray test shall be conducted in accord-
The strainer shall exhibit no effects of
ante with procedure I of MTL-STD-810.
a deleterious nature,
*
Fluid conforming to MIL-T-5624 having a specific
4.6.3 Pressure loss.
gravity of not less than 0.780 shall be flowed through the strainer at a rate
The measured pressure loss across the line strainer shall not
of 600 gpm.
If a different test fluid is used, the pres-
exceed 4 pounds per square inch.
sure loss shall be adjusted to account for difference in specific gravity and
viscosity; a detailed explanation of the adjustment shall be furnished in the
test report.
4.6.4
Differential pressure.
The test fluid shall be contaminated with
foundry dust, or equal, and pumped through the strainer until the pressure
differential between the inlet and outlet of the strainer reaches 125 pounds
per square inch.
The addition of dirt shall be discontinued, but the pumping
shall be continued for a period of 10 minutes at a flow rate sufficient to
The screen
maintain the pressure differential at 125 pounds per square inch
assembly shall then be examined and shall exhibit no evidence of rupture.
4.6.5 Hydrostatic test,
The strainer housing shall be hydrostatically
The test pressure shall be not less
tested in accordance with the ASME code.
The housing shall satisfactorily with-
than 350 pounds per square inch gage.
stand this pressure.
4.7 Inspection of the preservation, packaging, packing and marking for
Sample items or packs and the inspection of the preser-
shipment and storage.
vation, packaging, packing and marking for shipment and storage shall be in
accordance with the requirements of section 5, or the documents specified
therein.
PACKAGING
5.
Preservation and packaging shall be level
5.1
Preservation and packaging.
A or C as specified (see 6.2).
Strainers shall be packaged in individual cartons conform-
5.1.1 Level A.
The completed package shall conform to MIL-P-116, method
ing to PPP-B-636.
III, and shall be capable of passing the rough handling tests specified
therein.
8
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business