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National Stock Number:
4730-00-922-1379
Federal Supply Class:
4730
National Item Identification Number:
009221379
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:
| A51H20570-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51H20570-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51H20570-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | LARGEST INSIDE DIAMETER | 0.562 INCHES NOMINAL | | LENGTH TO SHOULDER | 0.625 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 0.922 INCHES NOMINAL | | MATERIAL HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 630 | | OVERALL LENGTH | 0.938 INCHES NOMINAL | | SCREW THREAD LOCATION | EXTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNEF | | SMALLEST INSIDE DIAMETER | 0.312 INCHES NOMINAL | | SPECIAL FEATURES | OUTER PERIPHERY OF HUB GROOVED,3/4 IN. OD BY 3/16 IN. W,LOCATED 3/32 IN. FROM GROOVE EDGE TO HUB END | | STYLE DESIGNATOR | HEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER | | THREAD CLASS | 3A | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 0.281 INCHES NOMINAL | | THREAD SIZE | 1-1/16 IN-18 | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
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