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National Stock Number:
4730-00-683-8649
Federal Supply Class:
4730
National Item Identification Number:
006838649
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:
| AN6289C20 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN6289J20 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS4841 | 0U583 | SAE INTERNATIONAL | | AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS5179 | 0U583 | SAE INTERNATIONAL | | AS5179 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS5179J20 | 0U583 | SAE INTERNATIONAL | | AS5179J20 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE-AS4841 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| PACKING RECESS DEPTH | 0.054 INCHES NOMINAL | | PACKING RECESS DIAMETER | 1.854 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 0.625 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES | | NUT STYLE | TUBE FITTING LOCKNUT | | WIDTH ACROSS FLATS | 1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UN | | THREAD QUANTITY PER INCH | 12 |
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