NSN 4730-00-278-5452

Part Details | TUBE COUPLING NUT

4730-00-278-5452 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: AN805C3, 4730-00-278-5452, 00-278-5452, 4730002785452, 002785452

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-278-545203859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-278-5452
Part Number Cage Code Manufacturer
AN805C388044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
Technical Data | NSN 4730-00-278-5452
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.500 INCHES NOMINAL
WIDTH ACROSS FLATS0.432 INCHES MINIMUM AND 0.451 INCHES MAXIMUM
LENGTH TO SHOULDER0.323 INCHES MINIMUM AND 0.333 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER0.257 INCHES MINIMUM AND 0.261 INCHES MAXIMUM
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.188 INCHES