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 5965-01-146-9162
NSN 5855-01-054-9014
NSN 5915-01-263-1148
NSN 5990-01-193-0487
NSN 6620-01-557-6512
NSN 5975-01-017-5681
NSN 6320-01-147-9177
NSN 7035-00-251-8201
NSN 5945-00-699-0352
NSN 5999-01-220-5370
NSN 6240-01-261-4958
NSN 5915-01-444-4069