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Worldwide distributor of NSN parts and consumables located in the USA.

Expansion Plug

Model / MPN: 178560 | NSN: 5340-00-098-2326
ITAR Registered seal

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
5340-00-098-2326
Sold in multiples of
1 EA
DEMIL
NO
Outside Diameter
Between 0.452 inches and 0.462 inches
Material Thickness
Between 0.030 inches and 0.040 inches
Height
0.310 inches
Material
Steel
Material Specification
Ams 5040 assn standard single material response or ams 5042 assn standard single material response or ams 5069 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
Style Designator
Cup
17856 Series Parts

Pricing and Availability

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178560 Cross Reference