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National Stock Number:
4730-01-048-3530
Federal Supply Class:
4730
National Item Identification Number:
010483530
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:
| AN6289-24J | 81352 | AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP | | MIL-F-5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 1.875 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NUT STYLE | TUBE FITTING LOCKNUT | | NUT HEIGHT | 0.438 INCHES NOMINAL | | WIDTH ACROSS FLATS | 2.188 INCHES NOMINAL | | PACKING RECESS DIAMETER | 2.104 INCHES NOMINAL | | PACKING RECESS DEPTH | 0.054 INCHES NOMINAL | | NOMINAL TUBE OUTSIDE DIAMETER | 1.500 INCHES | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81352 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN6289-24J |
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