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 5985-01-451-9925
NSN 5920-00-189-0858
NSN 5905-01-131-1668
NSN 6650-01-555-8819
NSN 5905-01-574-9951
NSN 5985-01-065-9385
NSN 4140-01-311-9755
NSN 6320-01-399-6177
NSN 6650-01-159-9151
NSN 5996-00-915-3164
NSN 5945-00-470-2884
NSN 5975-01-655-4265