NSN 4730-01-389-0400
Part Details | TUBE FITTING LOCKNUT
4730-01-389-0400 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: AN6289K2, 4730-01-389-0400, 01-389-0400, 4730013890400, 013890400
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | APR 14, 1994 | 01-389-0400 | 17645 ( LOCKNUT, TUBE FITTING ) |
REFERENCE DRAWINGS & PICTURES
TUBE FITTING LOCKNUT
Cross Reference | NSN 4730-01-389-0400
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN6289K2 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
Technical Data | NSN 4730-01-389-0400
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.313 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE FITTING LOCKNUT |
| NUT HEIGHT | 0.250 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.563 INCHES NOMINAL |
| PACKING RECESS DIAMETER | 0.483 INCHES NOMINAL |
| PACKING RECESS DEPTH | 0.037 INCHES NOMINAL |
| HOLE THREAD QUANTITY PER INCH | 24 |
| FABRICATION METHOD | MACHINED |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.125 INCHES |