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National Stock Number:
4730-00-541-2173
Federal Supply Class:
4730
National Item Identification Number:
005412173
Description:
PACKING NUT
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:
| 105-01488 | 14728 | PRECISION FORM RIVET INC | | 105-01488 | 79470 | DANA CORP WEATHERHEAD DIV | | 759-100-9 | 96182 | SAFRAN ELECTRONICS & DEFENSE AVIONICS USA LLC | | AS18280 | 0U583 | SAE INTERNATIONAL | | AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS21937 | 0U583 | SAE INTERNATIONAL | | AS21937 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21937-8H | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS21937W8H | 0U583 | SAE INTERNATIONAL | | MS21937W8H | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE-AS18280 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | LARGEST INSIDE DIAMETER | 0.875 INCHES NOMINAL | | LENGTH TO SHOULDER | 0.344 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 7075 | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNJF | | WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SIZE | 0.7500-16 | | UNTHREADED PORTION LENGTH | 0.156 INCHES NOMINAL |
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