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National Stock Number:
4730-00-398-6894
Federal Supply Class:
4730
National Item Identification Number:
003986894
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:
| 1-587BR | 16712 | SIEMENS ENERGY, INC. | | I587BR | 16712 | SIEMENS ENERGY, INC. |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 2.250 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | COPPER ALLOY OVERALL | | NUT STYLE | TUBE FITTING LOCKNUT | | WIDTH ACROSS FLATS | 2.500 INCHES NOMINAL | | PACKING RECESS DIAMETER | 0.885 INCHES NOMINAL | | PACKING RECESS DEPTH | 0.438 INCHES NOMINAL | | NOMINAL TUBE OUTSIDE DIAMETER | 1.750 INCHES |
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