NSN 4730-00-258-0489
Part Details | TUBE FITTING LOCKNUT
4730-00-258-0489 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: AN6289K10, 157618194, AS4841, AS5179K10, AS5179, 4730-00-258-0489, 00-258-0489, 4730002580489, 002580489
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JUN 29, 1973 | 00-258-0489 | 17645 ( LOCKNUT, TUBE FITTING ) |
REFERENCE DRAWINGS & PICTURES
TUBE FITTING LOCKNUT
Cross Reference | NSN 4730-00-258-0489
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN6289K10 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| 157618194 | A0199 | LEONARDO S.P.A. DIVISIONE SISTEMIDIDIFESA |
| AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5179K10 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5179 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Technical Data | NSN 4730-00-258-0489
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.875 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE FITTING LOCKNUT |
| NUT HEIGHT | 0.391 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 1.121 INCHES MINIMUM AND 1.128 INCHES MAXIMUM |
| PACKING RECESS DIAMETER | 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM |
| PACKING RECESS DEPTH | 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.625 INCHES |