NSN 4730-00-278-5537
Part Details | TUBE COUPLING INVERTED NUT
4730-00-278-5537 An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.
Alternate Parts: 900931, 5308389, 4730-00-278-5537, 00-278-5537, 4730002785537, 002785537
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1963 | 00-278-5537 | 03857 ( INVERTED NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
INVERTED NUT, TUBE, FLARE
Cross Reference | NSN 4730-00-278-5537
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 900931 | 58275 | SASCO INC CANADIAN DIV |
| 5308389 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 4730-00-278-5537
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| FABRICATION METHOD | ANY ACCEPTABLE |
| STYLE DESIGNATOR | INVERTED NUT, TUBE, FLARE |
| OVERALL LENGTH | 0.375 INCHES NOMINAL |
| SEAT RADIUS | 0.031 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 0.191 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED | 0.188 INCHES NOMINAL |
| THREAD SIZE | 3/8-27 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD PITCH DIAMETERS | +0.3487 TO +0.3509 INCHES |
| THREAD DIRECTION | RIGHT-HAND |