NSN 4730-00-273-6660

Part Details | TUBE COUPLING NUT

4730-00-273-6660 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: 346286PC1, 4730-00-273-6660, 00-273-6660, 4730002736660, 002736660

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-273-666003859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-273-6660
Part Number Cage Code Manufacturer
346286PC110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 4730-00-273-6660
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.688 INCHES NOMINAL
WIDTH ACROSS FLATS0.625 INCHES NOMINAL
LENGTH TO SHOULDER0.450 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.289 INCHES NOMINAL
SEAT ANGLE45.00 DEGREES NOMINAL
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES