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)
47MAR 26, 197100-257-218003859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-257-2180
Part Number Cage Code Manufacturer
DB0N10HX614798DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA
1-03060-600624EATON-AEROQUIP LLC.DBA AEROSPACE GROUP
GA2021-603647GLOBE AEROSPACE INC
AP2070-601673SPS TECHNOLOGIES, LLCDBA AIRDROME PRECISION COMPONENTS
BACN10HX677272THE BOEING COMPANYDBA BOEING
Technical Data | NSN 4730-00-257-2180
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.935 INCHES MINIMUM AND 0.955 INCHES MAXIMUM
LARGEST OUTSIDE DIAMETER0.648 INCHES MINIMUM AND 0.668 INCHES MAXIMUM
WIDTH ACROSS FLATS0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
LENGTH TO SHOULDER0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM
SEAT ANGLE33.00 DEGREES NOMINAL
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES