NSN 4730-00-287-0274
Part Details | TUBE COUPLING NUT
4730-00-287-0274 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: AN81840D, AN818-40D, MILF5509A, AS4841, 4730-00-287-0274, 00-287-0274, 4730002870274, 002870274
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1963 | 00-287-0274 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-287-0274
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN818-40D | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| MILF5509A | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Technical Data | NSN 4730-00-287-0274
| 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 | 1.625 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 3.355 INCHES MINIMUM AND 3.395 INCHES MAXIMUM |
| LENGTH TO SHOULDER | 1.328 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 2.667 INCHES MINIMUM AND 2.670 INCHES MAXIMUM |
| FABRICATION METHOD | |
| NOMINAL TUBE OUTSIDE DIAMETER | 2.500 INCHES |