NSN 4730-00-994-6891
Part Details | TUBE COUPLING NUT
4730-00-994-6891 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: AN81816B, AN818-16B, AN818, AS4841, 4730-00-994-6891, 00-994-6891, 4730009946891, 009946891
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1962 | 00-994-6891 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING
Cross Reference | NSN 4730-00-994-6891
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN818-16B | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| AN818 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Technical Data | NSN 4730-00-994-6891
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 1.312 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 1.125 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 1.500 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.962 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 1.089 INCHES NOMINAL |
| FABRICATION METHOD | |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.000 INCHES |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL |