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		                        | National Stock Number:
 5310-00-199-3054
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 001993054
 
 Description:
 NUT,PLAIN,CASTELLATED,HEXAGON
 
 Detail:
 A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.
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 Manufacturer Information:
 
 | 43N2834-137 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |  | 600 | 94135 | NAVAL ORDNANCE STANDARDS | 
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 Techincal Specification:
 
 | BEARING SURFACE TYPE | WASHER FACED |  | MATERIAL | STEEL OVERALL |  | NOMINAL THREAD SIZE | 0.375 INCHES |  | NUT HEIGHT | 0.406 INCHES NOMINAL |  | NUT STYLE | CASTELLATED, HEXAGON |  | WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL |  | SURFACE TREATMENT | ZINC OVERALL |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 16 |  | THREAD SERIES | UNC | 
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