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National Stock Number:
4730-00-540-2016
Federal Supply Class:
4730
National Item Identification Number:
005402016
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:
| AN6289-3C | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD | | AN6289C3 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS5179J03 | 0U583 | SAE INTERNATIONAL | | AS5179J03 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | GA7747 | 86329 | PARKER-HANNIFIN CORPORATION | | AN6289J3 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | SAE-AS4841 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | NUT STYLE | TUBE FITTING LOCKNUT | | WIDTH ACROSS FLATS | 0.621 INCHES MINIMUM AND | | 0.628 INCHES MAXIMUM | | PACKING RECESS DIAMETER | 0.546 INCHES NOMINAL | | PACKING RECESS DEPTH | 0.037 INCHES NOMINAL | | NOMINAL TUBE OUTSIDE DIAMETER | 0.188 INCHES |
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