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 6620-01-453-6764
NSN 5855-01-173-0808
NSN 5835-00-624-1548
NSN 5945-01-567-6329
NSN 5950-00-200-9606
NSN 5935-00-414-1370
NSN 5996-01-266-0952
NSN 6110-00-185-8147
NSN 5835-01-152-9483
NSN 5905-01-653-0700
NSN 5960-00-814-4591
NSN 5985-01-149-7714