MIL-S-21520C (Wep)
3.4.2
Low Temperature - The intertube seals shall
withstand with stand exposure to air at a temperature of -20 ± 4 de-
grees Fahrenheit for 24 hours, shall show no damages and
thereafter shall be capable of meeting all performance
requirements of this specification.
3.4.3
Thermal Shock - The intertube seals shall with-
stand temperature change from +80 ± 3 degrees to +28 ± 3
degrees Fahrenheit within 5 seconds, shall show no damage,
and thereafter shall be capable of meeting all performance
requirements of this specification.
3.4.4
Submersion - The intertube seals shall with-
stand submersion in sea water at temperatures between
+28 and +100 degrees Fahrenheit for 90 consecutive days,
shall show no damage, and thereafter shall be capable of
meeting all performance requirements of this specification.
3.4.5
Exposure to Hydraulic Fluid - Convex surfaces
of the upper and both surfaces of the lower intertube seals
shall withstand exposure to silicone fluid (Specification
MIL-F-21568) at a temperature of +65 ± 20 degrees Fahren-
heit for 90 consecutive days, shall show no damage, and
thereafter shall be capable or meeting all performance
requirements of this specification.
3,4.6
Eject Temperature/Pressure - The lower inter-
tube seals shall be tested for ability to withstand temper-
ature and pressure changes associated with operation of the
Mark 7 Mod O Ejector Group.
Cleanup - Prior to and after final assembly,
3.5
all parts, components, and the assembly shall be thoroughly
cleaned of all foreign matter.
3.6
Workmanship - The intertube seals shall be con-
structed and finished in a manner to assure compliance with
all requirements of this specification.
-7-
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business