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 6130-00-106-3557
NSN 6105-01-648-8053
NSN 6130-01-420-7339
NSN 5975-00-841-5857
NSN 5998-01-190-7026
NSN 6650-01-175-0841
NSN 5915-01-076-4538
NSN 5998-01-212-8825
NSN 6240-01-497-0370
NSN 4140-01-519-3349
NSN 5975-01-301-7486
NSN 5925-01-020-7706