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 6220-00-484-0490
NSN 5975-01-378-8457
NSN 6110-01-537-1159
NSN 6110-00-126-4875
NSN 5935-00-183-6478
NSN 5855-00-586-6255
NSN 6130-00-269-8273
NSN 5855-01-091-2273
NSN 5975-01-228-2426
NSN 6135-00-777-5562
NSN 6220-00-541-8515
NSN 6610-00-811-6072