NSN 4730-00-287-0273
Part Details | TUBE COUPLING NUT
4730-00-287-0273 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: AN81828D, AN818-28D, AN81828D, AN818-28D, 29028D, 290-28D, AN81828D, AN818-28D, 731857128, 731857-128, 72033528, 720335-28, MILF5509A, 4730-00-287-0273, 00-287-0273, 4730002870273, 002870273
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1961 | 00-287-0273 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-287-0273
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN818-28D | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| AN818-28D | 14798 | DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA |
| 290-28D | 00624 | EATON-AEROQUIP LLC.DBA AEROSPACE GROUP |
| AN818-28D | 32142 | HYDRASEARCH CO., INC. |
| 731857-128 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 720335-28 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| MILF5509A | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 4730-00-287-0273
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 2.250 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 1.562 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.605 INCHES MINIMUM AND 2.645 INCHES MAXIMUM |
| LENGTH TO SHOULDER | 1.316 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 1.890 INCHES MINIMUM AND 1.893 INCHES MAXIMUM |
| FABRICATION METHOD | |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.750 INCHES |