NSN 4730-00-531-2921
Part Details | PACKING NUT
4730-00-531-2921 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.
Alternate Parts: 139C7968, 4730-00-531-2921, 00-531-2921, 4730005312921, 005312921
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | SEP 11, 1974 | 00-531-2921 | 18028 ( PACKING NUT ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON, INTERNAL THREAD, SHOULDERED
Cross Reference | NSN 4730-00-531-2921
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 139C7968 | 05606 | GENERAL DYNAMICS-OTS, INC.DBA GD-OTS (WILLISTON) |
Technical Data | NSN 4730-00-531-2921
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| STYLE DESIGNATOR | 3 HEXAGON, INTERNAL THREAD, SHOULDERED |
| THREAD SIZE | 0.687-24 |
| SCREW THREAD SERIES DESIGNATOR | UNEF |
| THREAD LENGTH | 0.260 INCHES NOMINAL |
| SCREW THREAD LOCATION | INTERNAL |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL LENGTH | 0.500 INCHES NOMINAL |
| LARGEST INSIDE DIAMETER | 0.680 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.800 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.300 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 0.490 INCHES NOMINAL |
| MAJOR UNTHREADED OUTSIDE DIAMETER | 0.880 INCHES NOMINAL |
| THREAD CLASS | 2B |