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		                             National Stock Number: 5310-00-167-1285
  Federal Supply Class: 5310
  National Item Identification Number: 001671285
  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:
 | 10087995 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |  | 2210015 | 001JK | EMBRAER S.A. DBA EMBRAER |  | 401 101 | 77294 | PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC |  | 5310PL0715274 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |  | 938.08.21.102 | S4080 | PILATUS AIRCRAFT LTD |  | 2210015 | S4956 | EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA |  | AN310-4 | 27687 | GREER STOP NUT INC. |  | AN310-4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | AN310-4 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |  | AN310-4 | 8K112 | FREUNDLICH SUPPLY COMPANY, INC. |  | Z00.N5338302305 | F0086 | SOCATA |  | N5338302305 | F0210 | AIRBUS HELICOPTERS (ETS DEMARIGNANE) |   
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  Techincal Specification:
 | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |  | MATERIAL | STEEL OVERALL |  | NOMINAL THREAD SIZE | 0.250 INCHES |  | NUT HEIGHT | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |  | NUT STYLE | CASTELLATED, HEXAGON |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 28 |  | THREAD SERIES | UNF |  | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |   
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