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National Stock Number:
4730-00-274-9255
Federal Supply Class:
4730
National Item Identification Number:
002749255
Description:
PACKING NUT
Detail:
AN ITEM HAVING INTERNAL AND/OR EXTERNAL MACHINE THREAD(S) (THREADS OTHER THAN PIPE OR HOSE SERIES), SPECIFICALLY DESIGNED TO RETAIN, BY MEANS OR GROOVE(S), SHOULDER(S), AND THE LIKE, PACKING AND/OR A PACKING GLAND WITHIN A STUFFING BOX. SEE ALSO BUSHING, MACHINE THREAD; INVERTED NUT, TUBE COUPLING; AND NUT, TUBE COUPLING. EXCLUDES PACKING NUT, STUFFING TUBE; AND USE WITH ELECTRICAL CABLE, AND LOCKNUT, PIPE.
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Manufacturer Information:
| B13 | 78330 | SLOAN VALVE COMPANY |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASE-HARDENED | | LENGTH TO SHOULDER | 0.2657 INCHES NOMINAL | | OVERALL LENGTH | 0.313 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-294B1 CLASS A MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY | | SMALLEST INSIDE DIAMETER | 0.281 INCHES NOMINAL | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | NS | | THREAD SIZE | 1/2 (0.500)IN. - 27 | | WIDTH ACROSS FLATS | 0.563 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES NOMINAL |
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