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		                        | National Stock Number:
 5340-00-200-4162
 
 Federal Supply Class:
 5340
 
 National Item Identification Number:
 002004162
 
 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:
 
 | 6742098 | 24617 | GENERAL MOTORS CORP |  | 6742098 | 63005 | ROLLS-ROYCE CORPORATION |  | 6742098 | 73342 | ALLISON TRANSMISSION INC | 
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 Techincal Specification:
 
 | HEIGHT | 0.250 INCHES NOMINAL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5022 ASSN STD SINGLE MATERIAL RESPONSE |  | MATERIAL THICKNESS | 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM |  | MATERIAL | STEEL |  | OUTSIDE DIAMETER | 0.377 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |  | STYLE DESIGNATOR | CUP | 
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