NSN 4730-00-639-9870
Part Details | TUBE COUPLING NUT
4730-00-639-9870 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: AN81724D, AN817-24D, 4730-00-639-9870, 00-639-9870, 4730006399870, 006399870
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1961 | 00-639-9870 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-639-9870
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN817-24D | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
Technical Data | NSN 4730-00-639-9870
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 1.875 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 2.312 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.250 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.678 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 1.468 INCHES MINIMUM AND 1.513 INCHES MAXIMUM |
| SEAT ANGLE | 33.00 DEGREES NOMINAL |
| FABRICATION METHOD | MACHINED |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.500 INCHES |
| END ITEM IDENTIFICATION | AIRCRAFT APPLICATION |