NSN 4730-00-491-8916
Part Details | PACKING NUT
4730-00-491-8916 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: A51G1055511, A51G10555-11, A51G1055511, A51G10555-11, 4730-00-491-8916, 00-491-8916, 4730004918916, 004918916
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | MAR 17, 1972 | 00-491-8916 | 18028 ( PACKING NUT ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON, EXTERNAL THREAD, INVERTED FLARE
Cross Reference | NSN 4730-00-491-8916
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A51G10555-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
| A51G10555-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
Technical Data | NSN 4730-00-491-8916
| Characteristic | Specifications |
|---|---|
| MATERIAL HARDNESS RATING | RCB29.0 ROCKWELL C MAXIMUM AND 42.0 ROCKWELL C MAXIMUM |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| STYLE DESIGNATOR | 9 HEXAGON, EXTERNAL THREAD, INVERTED FLARE |
| THREAD SIZE | A2 5/8 IN-16$$A3 IN-16 |
| SCREW THREAD SERIES DESIGNATOR | UNJ AND UNJ |
| THREAD LENGTH | 0.500 INCHES NOMINAL AND 0.500 INCHES NOMINAL |
| SCREW THREAD LOCATION | INTERNAL AND EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SLOT WIDTH | 0.125 INCHES NOMINAL |
| OVERALL LENGTH | 0.500 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 2.564 INCHES MINIMUM AND 2.573 INCHES MAXIMUM |
| MAJOR UNTHREADED OUTSIDE DIAMETER | 2.991 INCHES MINIMUM AND 3.300 INCHES MAXIMUM |
| HOLE OR SLOT QUANTITY | 4 |
| THREAD CLASS | A3B$$A3A |