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		                        | National Stock Number:
 4820-01-242-8146
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012428146
 
 Description:
 RETAINER,DISK,VALVE
 
 Detail:
 An item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve disk, allowing proper position of disk-to-valve seat within a valve body.
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 Manufacturer Information:
 
 | 40397-09 | 55378 | TRAC REGULATOR CO., INC. |  | 40397-09 FIND 15 | 55378 | TRAC REGULATOR CO., INC. |  | 932 | 55378 | TRAC REGULATOR CO., INC. |  | 932-00 | 55378 | TRAC REGULATOR CO., INC. | 
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 Techincal Specification:
 
 | INSIDE DIAMETER | 0.266 INCHES NOMINAL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE |  | MATERIAL | NICKEL ALLOY |  | OUTSIDE DIAMETER | 0.877 INCHES NOMINAL |  | VALVE DESIGN CONTROL ACTIVITY | 55378 |  | VALVE MODEL NUMBER FOR WHICH DESIGNED | 1/2 INCH STYL H |  | VALVE SIZE FOR WHICH DESIGNED | 0.500 INCHES | 
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