NSN 4730-00-678-9726

Part Details | TUBE COUPLING NUT

4730-00-678-9726 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: 2055, 205-5, 1787809PC3, 1787807PC3, 4730-00-678-9726, 00-678-9726, 4730006789726, 006789726

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-678-972603859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-678-9726
Part Number Cage Code Manufacturer
205-597576LENZ INCDBA THE LENZ COMPANY
1787809PC310001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
1787807PC310001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 4730-00-678-9726
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 HEIGHT0.641 INCHES NOMINAL
WIDTH ACROSS FLATS0.688 INCHES NOMINAL
LENGTH TO SHOULDER0.422 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.344 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.312 INCHES