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		                        | National Stock Number:
 5340-01-055-4357
 
 Federal Supply Class:
 5340
 
 National Item Identification Number:
 010554357
 
 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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 Manufacturer Information:
 
 | 6760426 | 73342 | ALLISON TRANSMISSION INC |  | 7767749 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | 
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 Techincal Specification:
 
 | HEIGHT | 0.438 INCHES NOMINAL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698, COMP 1008 THRU 1015 FED SPEC SINGLE MATERIAL RESPONSE |  | MATERIAL THICKNESS | 0.094 INCHES NOMINAL |  | MATERIAL | STEEL |  | OUTSIDE DIAMETER | 1.251 INCHES MINIMUM AND 1.252 INCHES MAXIMUM |  | STYLE DESIGNATOR | CUP | 
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