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		                        | National Stock Number:
 5310-01-609-3331
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 016093331
 
 Description:
 WASHER,LOCK
 
 Detail:
 A WASHER, ROUND IN SHAPE, AND HAVING A CENTRALLY LOCATED HOLE. ITS TWO FLAT PARALLEL BEARING SURFACES ARE DIVIDED OR CUT ALONG THE RADIUS, LEAVING A CLEFT, FISSURE, OR CUTAWAY PORTION ACROSS THE RIM WHCH EXTENDS FROM THE OUTER CIRCUMFERENCE TO THE WASHER HOLE BUT WHICH IS NEVER AS LARGE AS THE WASHER HOLE DIAMETER. EXCLUDES WASHER (1), LOCK.
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 Manufacturer Information:
 
 | 4028882 | 75Q65 | OSHKOSH DEFENSE LLC |  | 4028882008 | 45152 | OSHKOSH CORP |  | 4028882008 | 75Q65 | OSHKOSH DEFENSE LLC | 
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 Techincal Specification:
 
 | COLOR | BLACK OVERALL |  | HOLE DIAMETER | 0.502 INCHES MINIMUM |  | MATERIAL DOCUMENT AND CLASSIFICATION | ASME B18.21.1-2009 SECTION 2.3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL THICKNESS | 0.125 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | III PART NAME ASSIGNED BY CONTROLLING AGENCY | HELICAL SPRING - LOCK WASHER |  | PROPRIETARY CHARACTERISTICS | PACS |  | OUTSIDE DIAMETER | 0.869 INCHES MAXIMUM |  | SPECIAL FEATURES | FINISH: PER FM100: D60, TYPE 1 |  | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PER F-100: D60, TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT | PHOSPHATE  AND ZINC OVERALL | 
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