NSN 4730-00-257-2180
Part Details | TUBE COUPLING NUT
4730-00-257-2180 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: DB0N10HX6, 1030606, 1-03060-6, GA20216, GA2021-6, AP20706, AP2070-6, BACN10HX6, 4730-00-257-2180, 00-257-2180, 4730002572180, 002572180
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
47 | MAR 26, 1971 | 00-257-2180 | 03859 ( NUT, TUBE COUPLING ) |
REFERENCE DRAWINGS & PICTURES
TUBE COUPLING

Cross Reference | NSN 4730-00-257-2180
Part Number | Cage Code | Manufacturer |
---|---|---|
DB0N10HX6 | 14798 | DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA |
1-03060-6 | 00624 | EATON-AEROQUIP LLC.DBA AEROSPACE GROUP |
GA2021-6 | 03647 | GLOBE AEROSPACE INC |
AP2070-6 | 01673 | SPS TECHNOLOGIES, LLCDBA AIRDROME PRECISION COMPONENTS |
BACN10HX6 | 77272 | THE BOEING COMPANYDBA BOEING |
Technical Data | NSN 4730-00-257-2180
Characteristic | Specifications |
---|---|
THREAD SERIES | UNF |
NOMINAL THREAD SIZE | 0.562 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 2B |
THREAD DIRECTION | RIGHT-HAND |
NUT STYLE | TUBE COUPLING |
NUT HEIGHT | 0.935 INCHES MINIMUM AND 0.955 INCHES MAXIMUM |
LARGEST OUTSIDE DIAMETER | 0.648 INCHES MINIMUM AND 0.668 INCHES MAXIMUM |
WIDTH ACROSS FLATS | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
LENGTH TO SHOULDER | 0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM |
SMALLEST INSIDE DIAMETER | 0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM |
SEAT ANGLE | 33.00 DEGREES NOMINAL |
FABRICATION METHOD | |
NOMINAL TUBE OUTSIDE DIAMETER | 0.375 INCHES |