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 5855-01-458-2229
NSN 6110-01-170-3566
NSN 5905-00-531-3723
NSN 4140-01-419-0198
NSN 5910-01-331-0988
NSN 6620-01-032-3937
NSN 6610-01-613-1831
NSN 5855-00-610-4052
NSN 5910-01-526-0007
NSN 5920-01-510-9921
NSN 5905-01-202-8489
NSN 5895-01-291-0865