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 for steam or other vapor generating boilers and super-heated water boilers, except heat exchangers
NSN 5950-01-066-4937
NSN 5835-00-604-2026
NSN 5950-01-643-7036
NSN 6130-00-272-1227
NSN 5915-01-481-0735
NSN 6320-00-149-7570
NSN 5935-00-829-0201
NSN 5925-00-336-1992
NSN 5910-01-088-6091
NSN 6610-01-609-7776
NSN 5855-01-085-5354
NSN 5930-01-301-6802