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		                        | National Stock Number:
 5310-00-515-9957
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 005159957
 
 Description:
 WASHER,LOCK
 
 Detail:
 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
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 Manufacturer Information:
 
 | B18.21.1 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |  | FF-W-84 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |  | MS35338-48M | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | FFW84CLASSASTYLE21-2INWASHERL0CK | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | 
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 Techincal Specification:
 
 | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |  | HOLE DIAMETER | 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM |  | MATERIAL |  |  | MATERIAL THICKNESS | 0.125 INCHES NOMINAL |  | OUTSIDE DIAMETER | 0.869 INCHES MAXIMUM |  | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND | 
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