NSN 4730-00-203-0237
Part Details | TUBE COUPLING NUT
4730-00-203-0237 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: AN62245, AN6224-5, 140255D, 140-25-5D, 4730-00-203-0237, 00-203-0237, 4730002030237, 002030237
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
47 | JAN 01, 1963 | 00-203-0237 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING

Cross Reference | NSN 4730-00-203-0237
Part Number | Cage Code | Manufacturer |
---|---|---|
AN6224-5 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
140-25-5D | 00624 | EATON-AEROQUIP LLC.DBA AEROSPACE GROUP |
Technical Data | NSN 4730-00-203-0237
Characteristic | Specifications |
---|---|
THREAD SERIES | UNEF |
NOMINAL THREAD SIZE | 0.937 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 3B |
THREAD DIRECTION | RIGHT-HAND |
NUT STYLE | TUBE COUPLING |
NUT HEIGHT | 0.720 INCHES MINIMUM AND 0.740 INCHES MAXIMUM |
WIDTH ACROSS FLATS | 1.062 INCHES NOMINAL |
LENGTH TO SHOULDER | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
SMALLEST INSIDE DIAMETER | 0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
FABRICATION METHOD | MACHINED |
NOMINAL TUBE OUTSIDE DIAMETER | 0.312 INCHES |