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National Stock Number:
4730-00-789-7632
Federal Supply Class:
4730
National Item Identification Number:
007897632
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:
| 25704-28127-05- 0 | D2692 | KRAUSS-MAFFEI WEGMANN GMBH & CO. KG-WERK KASSEL- | | 25704-281270-05-0 | D9475 | BUNDESAMT FUER WEHRTECHNIK UNDBESCHAFFUNG BUNDESWEHR ZEICHNUNGSNUBW-ZNR | | 7528653 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5310007897632 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | | | MATERIAL | | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES | | NOMINAL THREAD SIZE | 0.438 INCHES | | NUT HEIGHT | 0.281 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | PACKING RECESS DEPTH | 0.042 INCHES NOMINAL | | PACKING RECESS DIAMETER | 0.608 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | | | SURFACE TREATMENT | | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNF | | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL |
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