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		                             National Stock Number: 4730-00-277-7881
  Federal Supply Class: 4730
  National Item Identification Number: 002777881
  Description: LOCKNUT,PIPE
  Detail: A HEXAGONAL OR OCTAGONAL NUT CONTAINING INTERNAL STRAIGHT PIPE THREADS. IT HAS FLAT FACES, ONE OF WHICH CONTAINS A PACKING RECESS. SEE ALSO LOCKNUT, ELECTRICAL CONDUIT; LOCKNUT, TUBE FITTING; AND SEAL NUT, PIPE.
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  Techincal Specification:
 | THREAD SERIES | NPSL |  | THREAD DIRECTION | RIGHT-HAND |  | PACKING RECESS DEPTH | 0.0937 INCHES NOMINAL |  | PACKING RECESS DIAMETER | 3.250 INCHES NOMINAL |  | WIDTH ACROSS FLATS | 3.688 INCHES NOMINAL |  | MATERIAL | COPPER ALLOY OVERALL |  | NOMINAL THREAD SIZE | 2.500 INCHES |  | THREAD QUANTITY PER INCH | 8 |  | NUT STYLE | PIPE LOCKNUT |   
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