NSN 4730-01-131-7571
Part Details | PACKING NUT
4730-01-131-7571 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: 74B580177101, 74B580177-101, 74B580177, LS580177101, LS580177-101, LS580177, 74B580177101, 74B580177-101, 4730-01-131-7571, 01-131-7571, 4730011317571, 011317571
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | MAY 15, 1982 | 01-131-7571 | 18028 ( PACKING NUT ) |
REFERENCE DRAWINGS & PICTURES
ROUND, INTERNAL THREAD, SHOULDERED
Cross Reference | NSN 4730-01-131-7571
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 74B580177-101 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 74B580177 | 76301 | BOEING COMPANY, THEDBA BOEING |
| LS580177-101 | 03038 | LONG-LOK FASTENERS CORPORATION |
| LS580177 | 03038 | LONG-LOK FASTENERS CORPORATION |
| 74B580177-101 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
Technical Data | NSN 4730-01-131-7571
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| STYLE DESIGNATOR | ROUND, INTERNAL THREAD, SHOULDERED |
| THREAD SIZE | 3-1/4-16 |
| SCREW THREAD SERIES DESIGNATOR | UNJ |
| THREAD LENGTH | 0.484 INCHES NOMINAL |
| SCREW THREAD LOCATION | INTERNAL |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL LENGTH | 0.500 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.391 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 3.309 INCHES NOMINAL |
| MAJOR UNTHREADED OUTSIDE DIAMETER | 3.781 INCHES NOMINAL |
| PROTRUSION QUANTITY | 12 |
| THREAD CLASS | 2B |
| SPECIAL FEATURES | W/FLANGE,4.031 IN.OD,AT BOTTOM OF NUT;ANODIZED RED |