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National Stock Number:
4730-00-375-6403
Federal Supply Class:
4730
National Item Identification Number:
003756403
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:
| 10386315 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 36668 | 81616 | YORK INDUSTRIES, INC. | | 6 070118C | 0U583 | SAE INTERNATIONAL | | 6 070118C | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | 4730003756403 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 4730003756403 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 6 080118C | 0U583 | SAE INTERNATIONAL | | 6 080118C | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MIL-DTL-18866 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS51860-55 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.375 INCHES | | NUT HEIGHT | 0.270 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | WIDTH ACROSS FLATS | 0.812 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNF |
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