NSN 4730-00-278-8819

Part Details | TUBE COUPLING NUT

4730-00-278-8819 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: 181D, 4730-00-278-8819, 00-278-8819, 4730002788819, 002788819

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-278-881903859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-278-8819
Part Number Cage Code Manufacturer
181D30327IMPERIAL
Technical Data | NSN 4730-00-278-8819
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.687 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.781 INCHES NOMINAL
WIDTH ACROSS FLATS0.688 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.503 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.500 INCHES