NSN 4730-00-837-4203
Part Details | TUBE COUPLING NUT
4730-00-837-4203 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: NAS59340, NAS593-40, NAS59340, NAS593-40, 4730-00-837-4203, 00-837-4203, 4730008374203, 008374203
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1962 | 00-837-4203 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-837-4203
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS593-40 | 30974 | AEROFIT, LLC |
| NAS593-40 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 4730-00-837-4203
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 3.000 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 1.560 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 3.380 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.849 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 2.514 INCHES NOMINAL |
| SEAT ANGLE | 33.00 DEGREES NOMINAL |
| FABRICATION METHOD | |
| NOMINAL TUBE OUTSIDE DIAMETER | 2.500 INCHES |