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National Stock Number:
4730-01-195-3404
Federal Supply Class:
4730
National Item Identification Number:
011953404
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:
| 75B690000-2001 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| FABRICATION METHOD | MACHINED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | PACKING RECESS DIAMETER | 0.578 INCHES NOMINAL | | MATERIAL | TITANIUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.375 INCHES | | NUT HEIGHT | 0.202 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | SPECIAL FEATURES | LUBRICANT DRY FILM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNJS | | THREAD QUANTITY PER INCH | 20 | | WIDTH ACROSS FLATS | 0.812 INCHES NOMINAL |
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