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National Stock Number: 4730-01-289-5865
Federal Supply Class: 4730
National Item Identification Number: 012895865
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:
AN6289W24 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | AS4841 | 0U583 | SAE INTERNATIONAL | AS5179 | 0U583 | SAE INTERNATIONAL | AS5179W24 | 0U583 | SAE INTERNATIONAL | AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | AS5179 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | SAE-AS4841 | 0U583 | SAE INTERNATIONAL | AS5179W24 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
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Techincal Specification:
PACKING RECESS DEPTH | 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM | PACKING RECESS DIAMETER | 2.099 INCHES MINIMUM AND 2.109 INCHES MAXIMUM | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | NOMINAL THREAD SIZE | 1.875 INCHES | NOMINAL TUBE OUTSIDE DIAMETER | 1.500 INCHES | NUT HEIGHT | 0.438 INCHES NOMINAL | NUT STYLE | TUBE FITTING LOCKNUT | WIDTH ACROSS FLATS | 2.168 INCHES MINIMUM AND 2.208 INCHES MAXIMUM | THREAD CLASS | 3B | THREAD DIRECTION | RIGHT-HAND | THREAD SERIES | UNJ | THREAD QUANTITY PER INCH | 12 |
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