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		                             National Stock Number: 4730-01-452-1755
  Federal Supply Class: 4730
  National Item Identification Number: 014521755
  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:
 | C160300 | 72219 | AALBERTS INTEGRATED PIPING SYSTEMS AMERICAS, INC. |  | C160300 | 86520 | CONBRACO INDUSTRIES INC R-P AND C VALVE DIV |   
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  Techincal Specification:
 | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | ZINC OVERALL |   
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