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National Stock Number:
4730-00-517-8082
Federal Supply Class:
4730
National Item Identification Number:
005178082
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:
| 7064761 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 7064761 | 24892 | YORDE MACHINE PRODUCTS CO | | 7064761 | 97484 | EATON AEROSPACE LLC |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 1.625 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OR | | DICHROMATE OR | | OXIDE OVERALL | | NUT STYLE | TUBE FITTING LOCKNUT | | NUT HEIGHT | 0.407 INCHES MINIMUM AND | | 0.425 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 1.875 INCHES NOMINAL | | PACKING RECESS DIAMETER | 1.671 INCHES MINIMUM AND | | 1.854 INCHES MAXIMUM | | PACKING RECESS DEPTH | 0.040 INCHES MINIMUM AND | | 0.054 INCHES MAXIMUM | | FABRICATION METHOD | MACHINED | | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES |
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