Expansion Plug

Model / MPN: 1877-2002 | NSN: 5340-00-058-7964

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

5340-00-058-7964

Sold in multiples of

DEMIL

Radius

5.000 inches

Outside Diameter

Between 2.995 inches and 3.005 inches

Material Thickness

0.134 inches

Material

Steel

Material Specification

Qq-s-698 federal specification single material response or qq-s-700 federal specification single material response

Surface Treatment

Cadmium or zinc

Style Designator

A4 concave

Style Designator

Concave

1877 Series Parts

Pricing and Availability

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1877-2002 Cross Reference

019-40
01877-2002
172604
D1355-29
172604