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 5920-01-305-5318
NSN 5930-00-009-4701
NSN 6130-01-187-9931
NSN 5996-00-552-1406
NSN 6610-01-400-3880
NSN 5999-01-229-7731
NSN 5855-01-319-9757
NSN 6620-00-904-2139
NSN 5835-01-004-8997
NSN 5960-00-185-9974
NSN 5950-00-233-6800
NSN 6145-01-551-0682