NSN 4730-00-639-9860
Part Details | TUBE COUPLING NUT
4730-00-639-9860 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: AN81720D, AN817-20D, MILF5509, MIL-F-5509, 4730-00-639-9860, 00-639-9860, 4730006399860, 006399860
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1961 | 00-639-9860 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-639-9860
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN817-20D | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| MIL-F-5509 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 4730-00-639-9860
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 1.625 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 2.188 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.000 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 1.260 INCHES MINIMUM AND 1.263 INCHES MAXIMUM |
| SEAT ANGLE | 33.00 DEGREES NOMINAL |
| FABRICATION METHOD | |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES |
| SPECIFICATION/STANDARD DATA | 81349-MIL-F-5509 GOVERNMENT SPECIFICATION AND 88044-AN817 GOVERNMENT STANDARD |
| END ITEM IDENTIFICATION | AIRCRAFT APPLICATION |