Expansion Plug

Model / MPN: 118377H | NSN: 5340-00-054-1409

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.

Product Details

NATO Stock Number

5340-00-054-1409

Sold in multiples of

DEMIL

Radius

2.500 inches

Outside Diameter

1.688 inches

Material Thickness

0.083 inches

Material

Steel

Material Specification

Qq-s-633, comp fs1010-cancelled federal specification single material response

Style Designator

A4 concave

Style Designator

Concave

118377H Series Parts

Pricing and Availability

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118377H Cross Reference

172577
172611
16048
5155211A
541409
172577
172611