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		                             National Stock Number: 4730-01-436-0107
  Federal Supply Class: 4730
  National Item Identification Number: 014360107
  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:
 | AN6289W16 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |  | AS4841 | 0U583 | SAE INTERNATIONAL |  | AS5179 | 0U583 | SAE INTERNATIONAL |  | AS5179W16 | 0U583 | SAE INTERNATIONAL |  | AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AS5179 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | SAE-AS4841 | 0U583 | SAE INTERNATIONAL |  | AS5179W16 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |   
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  Techincal Specification:
 | THREAD SERIES | UN |  | NOMINAL THREAD SIZE | 1.312 INCHES |  | THREAD QUANTITY PER INCH | 12 |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | ALUMINUM ALLOY OVERALL |  | NUT STYLE | TUBE FITTING LOCKNUT |  | NUT HEIGHT | 0.438 INCHES NOMINAL |  | WIDTH ACROSS FLATS | 1.625 INCHES NOMINAL |  | PACKING RECESS DIAMETER | 1.541 INCHES NOMINAL |  | PACKING RECESS DEPTH | 0.541 INCHES NOMINAL |  | NOMINAL TUBE OUTSIDE DIAMETER | 1.000 INCHES |   
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