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		                        | National Stock Number:
 5310-01-025-4218
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 010254218
 
 Description:
 WASHER,CONCAVE
 
 Detail:
 A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RECESSED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONVEX. EXCLUDES WASHER (1), RECESSED AND BEARING, WASHER, THRUST.
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 Manufacturer Information:
 
 | TLN1023L9W | 17446 | HUCK INTERNATIONAL, INC |  | TLN1023L9W | 27624 | SPS TECHNOLOGIES LLC |  | TLN1023L9W | 56878 | SPS TECHNOLOGIES, LLC |  | TLN1023L9W | 59563 | REID PRODUCTS INC. |  | TLN1023L9W | 80539 | SPS TECHNOLOGIES, LLC |  | TLN1023L9W | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |  | TLN1023L9W | 97928 | HUCK INTL INC |  | TLN1023L9W | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | 
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 Techincal Specification:
 
 | HOLE DIAMETER | 0.754 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL THICKNESS | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |  | MATERIAL | STEEL COMP 8740 OVERALL |  | PROPRIETARY CHARACTERISTICS | PACS |  | OUTSIDE DIAMETER | 1.157 INCHES MINIMUM AND 1.167 INCHES MAXIMUM |  | RADIUS | 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM |  | RECESS DEPTH | 0.148 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |  | STYLE DESIGNATOR | CONCAVE | 
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