NSN 4730-01-133-1590
Part Details | TUBE FITTING LOCKNUT
4730-01-133-1590 An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.
Alternate Parts: 74B580173101, 74B580173-101, 74B580173, LS580173101, LS580173-101, LS580173, 10108710, 74B580173101, 74B580173-101, 4730-01-133-1590, 01-133-1590, 4730011331590, 011331590
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JUN 10, 1982 | 01-133-1590 | 17645 ( LOCKNUT, TUBE FITTING ) |
REFERENCE DRAWINGS & PICTURES
TUBE FITTING LOCKNUT
Cross Reference | NSN 4730-01-133-1590
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 74B580173-101 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 74B580173 | 76301 | BOEING COMPANY, THEDBA BOEING |
| LS580173-101 | 03038 | LONG-LOK FASTENERS CORPORATION |
| LS580173 | 03038 | LONG-LOK FASTENERS CORPORATION |
| 10108710 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 74B580173-101 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
Technical Data | NSN 4730-01-133-1590
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJ |
| NOMINAL THREAD SIZE | 2.500 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE FITTING LOCKNUT |
| NUT HEIGHT | 0.500 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 3.350 INCHES NOMINAL |
| PACKING RECESS DIAMETER | 2.580 INCHES NOMINAL |
| PACKING RECESS DEPTH | 0.090 INCHES NOMINAL |
| NOMINAL TUBE OUTSIDE DIAMETER | 2.000 INCHES |
| SPECIAL FEATURES | OUTSIDE EDGE OF NUT IS FLANGED |