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National Stock Number:
4730-00-281-1330
Federal Supply Class:
4730
National Item Identification Number:
002811330
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:
| 4730002811330 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 4730002811330 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 7528659 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 7528659 | 20800 | ORDNANCE PARTS AND ENGINEERING CO |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.750 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM AND | | NICKEL OVERALL | | NUT STYLE | TUBE FITTING LOCKNUT | | NUT HEIGHT | 0.300 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.996 INCHES MINIMUM AND | | 1.004 INCHES MAXIMUM | | PACKING RECESS DIAMETER | 0.915 INCHES MINIMUM AND | | 0.925 INCHES MAXIMUM | | PACKING RECESS DEPTH | 0.037 INCHES MINIMUM AND | | 0.047 INCHES MAXIMUM | | NOMINAL TUBE OUTSIDE DIAMETER | 0.500 INCHES |
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