National Stock Number:
5340-01-488-3958
Federal Supply Class:
5340
National Item Identification Number:
014883958
Description:
PLUG,EXPANSION
Detail:
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.
|