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National Stock Number:
4730-00-178-0044
Federal Supply Class:
4730
National Item Identification Number:
001780044
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:
| J530P04 | 07482 | GENERAL ELECTRIC COMPANY |
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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 | ALUMINUM ALLOY OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | NUT STYLE | TUBE FITTING LOCKNUT | | NUT HEIGHT | 0.281 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.679 INCHES MINIMUM AND | | 0.690 INCHES MAXIMUM | | PACKING RECESS DIAMETER | 0.608 INCHES NOMINAL | | PACKING RECESS DEPTH | 0.042 INCHES NOMINAL | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |
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