NSN 4730-00-398-6894
Part Details | TUBE FITTING LOCKNUT
4730-00-398-6894 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: 1587BR, 1-587BR, I587BR, 4730-00-398-6894, 00-398-6894, 4730003986894, 003986894
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1963 | 00-398-6894 | 17645 ( LOCKNUT, TUBE FITTING ) |
REFERENCE DRAWINGS & PICTURES
TUBE FITTING LOCKNUT
Cross Reference | NSN 4730-00-398-6894
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1-587BR | 16712 | SIEMENS DEMAG DELAVALTURBOMACHINERY, INC. |
| I587BR | 16712 | SIEMENS DEMAG DELAVALTURBOMACHINERY, INC. |
Technical Data | NSN 4730-00-398-6894
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 2.250 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE FITTING LOCKNUT |
| WIDTH ACROSS FLATS | 2.500 INCHES NOMINAL |
| PACKING RECESS DIAMETER | 0.885 INCHES NOMINAL |
| PACKING RECESS DEPTH | 0.438 INCHES NOMINAL |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.750 INCHES |