A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5935-00-189-0200
NSN 5965-00-075-1485
NSN 6110-01-582-4504
NSN 6220-01-483-3261
NSN 6610-00-296-5007
NSN 6610-01-312-5788
NSN 5990-01-040-0193
NSN 5915-00-212-7970
NSN 5855-01-091-9966
NSN 5935-01-426-8969
NSN 6610-00-027-1284
NSN 6650-00-520-5785