NSN 4730-00-833-7656
Part Details | TUBE FITTING LOCKNUT
4730-00-833-7656 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: AN6289K20, 157618230, SAE AS54841, SAE AS5179, 4730-00-833-7656, 00-833-7656, 4730008337656, 008337656
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | SEP 13, 1967 | 00-833-7656 | 17645 ( LOCKNUT, TUBE FITTING ) |
REFERENCE DRAWINGS & PICTURES
TUBE FITTING LOCKNUT
Cross Reference | NSN 4730-00-833-7656
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN6289K20 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| 157618230 | A0199 | LEONARDO S.P.A. DIVISIONE SISTEMIDIDIFESA |
| SAE AS54841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| SAE AS5179 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Technical Data | NSN 4730-00-833-7656
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 1.625 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE FITTING LOCKNUT |
| NUT HEIGHT | 0.438 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM |
| PACKING RECESS DIAMETER | 1.849 INCHES MINIMUM AND 1.859 INCHES MAXIMUM |
| PACKING RECESS DEPTH | 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES |