Plug dyed red
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 6620-01-529-7513
NSN 6320-00-925-0558
NSN 2925-01-063-7876
NSN 5930-00-036-3945
NSN 5975-01-146-1603
NSN 5998-00-023-7274
NSN 6130-00-707-7732
NSN 5910-00-168-8218
NSN 5920-01-382-9379
NSN 5930-00-107-4376
NSN 6645-01-449-1630
NSN 6130-00-307-8498