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National Stock Number:
4730-99-148-9999
Federal Supply Class:
4730
National Item Identification Number:
991489999
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:
| 43321306 | U1918 | MISSION SYSTEMS WIMBORNE LIMITED |
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Techincal Specification:
| MATERIAL | STEEL | | NOMINAL THREAD SIZE | 4.500 INCHES | | SPECIAL FEATURES | RD:4.800IN DIA BY 0.400IN THK O/A:ONE FACE WITH QTY 6 LUGS | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES | UN |
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