NSN 4730-00-817-1891
Part Details | TUBE COUPLING NUT
4730-00-817-1891 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.
Alternate Parts: 261PX14, 261-PX1/4, 261P14, 261P1-4, 61P4, 61P-4, 4730-00-817-1891, 00-817-1891, 4730008171891, 008171891
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1962 | 00-817-1891 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-817-1891
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 261-PX1/4 | 09505 | DAYCO INDUSTRIAL |
| 261P1-4 | 30327 | IMPERIAL |
| 61P-4 | 93061 | PARKER-HANNIFIN CORPORATIONDBA FLUID SYSTEM CONNECTORS DIVISION |
Technical Data | NSN 4730-00-817-1891
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.437 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.437 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.359 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 0.266 INCHES NOMINAL |
| FABRICATION METHOD | CAST |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |
| SPECIAL FEATURES | GRUMMAN AIRCRAFT MODEL A10 |