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		                             National Stock Number: 5310-00-167-1271
  Federal Supply Class: 5310
  National Item Identification Number: 001671271
  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:
 | AN310D3 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | AN310D3 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |  | FF-N-836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |   
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  Techincal Specification:
 | BEARING SURFACE TYPE | WASHER FACED |  | COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL NUT |  | MATERIAL | ALUMINUM ALLOY OVERALL |  | NOMINAL THREAD SIZE | 0.190 INCHES |  | NONDEFINITIVE SPEC/STD DATA | 5 TYPE |  | NUT HEIGHT | 0.250 INCHES NOMINAL |  | NUT STYLE | CASTELLATED, HEXAGON |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT | ANODIZE OVERALL |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 32 |  | THREAD SERIES | UNF |  | WIDTH ACROSS FLATS | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |   
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