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National Stock Number: 4730-01-490-4322
Federal Supply Class: 4730
National Item Identification Number: 014904322
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-T4 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | TITANIUM ALLOY OVERALL | | NUT STYLE | TUBE FITTING LOCKNUT | | NUT HEIGHT | 0.281 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL | | PACKING RECESS DIAMETER | 0.608 INCHES NOMINAL | | PACKING RECESS DEPTH | 0.042 INCHES NOMINAL | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 88044 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN6289-T4 |
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