2990-00-058-7974 INACTIVE Index 5340-00-058-7981 PLUG,EXPANSION

National Stock Number:
5340-00-058-7979

Federal Supply Class:
5340

National Item Identification Number:
000587979

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.


Manufacturer Information:
58797921450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S


Techincal Specification:
OUTSIDE DIAMETER2.745 INCHES MINIMUM AND 2.755 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633, FS1008 TO FS1010 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.083 INCHES NOMINAL
MATERIALSTEEL
RADIUS4.500 INCHES NOMINAL
STYLE DESIGNATORCONCAVE
SURFACE TREATMENTPHOSPHATE


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