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National Stock Number:
4730-00-833-7656
Federal Supply Class:
4730
National Item Identification Number:
008337656
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:
| 157618230 | A0199 | FINMECCANICA SPA | | 4730PL2094303 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | AS5179K20 | 0U583 | SAE INTERNATIONAL | | SAE AS5179 | 0U583 | SAE INTERNATIONAL | | SAE AS5179 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AN6289K20 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | SAE AS54841 | 0U583 | SAE INTERNATIONAL | | SAE-AS4841 | 0U583 | SAE INTERNATIONAL | | SAE AS54841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 1.625 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | NUT STYLE | TUBE FITTING LOCKNUT | | NUT HEIGHT | 0.438 INCHES NOMINAL | | WIDTH ACROSS FLATS | 1.922 INCHES MINIMUM AND | | 1.954 INCHES MAXIMUM | | PACKING RECESS DIAMETER | 1.849 INCHES MINIMUM AND | | 1.859 INCHES MAXIMUM | | PACKING RECESS DEPTH | 0.049 INCHES MINIMUM AND | | 0.059 INCHES MAXIMUM | | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES |
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