MIL-PRF-25370F
3.7.3 Hydrostatic pressure. The inflator valve shall satisfactorily withstand a hydrostatic
pressure of 1500 psi without deformation or leakage.
3.7.4 Salt spray. The inflator valve shall operate properly after exposure to a salt spray
environment.
3.7.5 Leakage. The inflator valve shall display no evidence of leakage during normal operation.
3.7.6 Operation test with cylinder. With an actuating load of not more than 20 pounds, the
inflator valve shall pierce and discharge a cylinder conforming to MIL-PRF-25369 in not more
than 2.5 seconds.
3.7.7 Lock. The lock shall be such that a cylinder installed with a torque of 60 inch-pounds can
be loosened with a torque of not less than 30 or more than 60 inch-pounds.
3.7.8 Weight. The total weight of the pneumatic inflator valve shall not exceed 60 grams.
3.7.9 Supportability. All parts having the same manufacturer's part number shall be functionally
and dimensionally interchangeable. The item identification and part number requirements of
3.7.10 shall govern the manufacturer's part number and changes thereto.
3.7.10 Identification. The pneumatic inflator valve shall be marked for identification with the
following information:
VALVE, PNEUMATIC INFLATOR (LIFE PRESERVER, MA-1)
Manufacturer's Identification
Contract or Order No.
Date of Manufacture
The identification marking on the assemblies shall be durable enough to last through the normal
life expectancy of the item and be capable of withstanding the environmental tests and cleaning
procedures specified. All markings shall be clearly readable. Identification marking on
identification plates shall be of a color which is in contrast to the color of the surface of the plate.
Identification tag marking, when used, shall be permanent to the extent required for the utilization
of the item. Whenever practical, the marking of the item shall be located in such a manner as to
allow it being visible during normal operational use. The use of marking materials that create
environmentally hazardous conditions is prohibited. The marking of items shall be accomplished
in a manner which shall not adversely affect the life and utility of the item (see 6.5).
3.7.11 Safety. The pneumatic inflator valve shall be functional without sharp edges, burrs, or
protrusions that might cause injury or prevent the use of the item.
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