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		                             National Stock Number: 4730-01-079-1657
  Federal Supply Class: 4730
  National Item Identification Number: 010791657
  Description: LOCKNUT,TUBE FITTING
  Detail: AN ITEM WITH INTERNAL MACHINE THREADS DESIGNED TO FIT THE EXTERNAL MACHINE THREADS OF A TUBE FITTING. IT HAS FLAT FACES, ONE OF WHICH HAS A COUNTERBORED RECESS TO ACCOMMODATE PACKING, PACKING OR SEALING RING(S), GASKET(S), AND THE LIKE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF LOCKING AND SEALING THE CONNECTION. SEE ALSO LOCKNUT, PIPE; NUT (1), TUBE COUPLING AND NUT (1), PLAIN, HEXAGON.
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  Manufacturer Information:
 | AFP105J10 | 30974 | AEROFIT, LLC |  | BACN10DU10J | 81205 | THE BOEING COMPANY |   
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  Techincal Specification:
 | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 304 OVERALL |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL THREAD SIZE | 0.875 INCHES |  | NOMINAL TUBE OUTSIDE DIAMETER | 0.625 INCHES |  | NUT HEIGHT | 0.391 INCHES NOMINAL |  | NUT STYLE | TUBE FITTING LOCKNUT |  | PACKING RECESS DEPTH | 0.054 INCHES NOMINAL |  | PACKING RECESS DIAMETER | 1.045 INCHES NOMINAL |  | SPECIAL FEATURES | DRILLED FOR 2 LOCKWIRE HOLE 0.070 IN. DIA |  | SPECIFICATION/STANDARD DATA | 81205-BACN10DU MANUFACTURERS STANDARD |  | WIDTH ACROSS FLATS | 1.125 INCHES NOMINAL |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 14 |  | THREAD SERIES | UNF |   
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