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National Stock Number:
5340-00-058-7981
Federal Supply Class:
5340
National Item Identification Number:
000587981
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.
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Techincal Specification:
| OUTSIDE DIAMETER | 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633, FS1008 TO FS1010 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL THICKNESS | 0.083 INCHES NOMINAL | | MATERIAL | STEEL | | RADIUS | 5.000 INCHES NOMINAL | | STYLE DESIGNATOR | CONCAVE | | SURFACE TREATMENT | PHOSPHATE |
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