NSN 4730-00-203-2657
Part Details | TUBE COUPLING NUT
4730-00-203-2657 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: AN8185S, AN818-5S, AN8185S, AN818-5S, 2428141140, A1202775, 4730-00-203-2657, 00-203-2657, 4730002032657, 002032657
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1963 | 00-203-2657 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-203-2657
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN818-5S | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| AN818-5S | F0222 | SKF AEROSPACE FRANCE |
| 2428141140 | F9111 | THALES AVIONICS SAS |
| A1202775 | F9111 | THALES AVIONICS SAS |
Technical Data | NSN 4730-00-203-2657
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 0.672 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.579 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 0.374 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| FABRICATION METHOD | |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.312 INCHES |