NSN 4730-00-678-9725

Part Details | TUBE COUPLING NUT

4730-00-678-9725 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: 2054, 205-4, 1787809PC2, 4730-00-678-9725, 00-678-9725, 4730006789725, 006789725

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-678-972503859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-678-9725
Part Number Cage Code Manufacturer
205-497576LENZ INCDBA THE LENZ COMPANY
1787809PC210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 4730-00-678-9725
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.641 INCHES NOMINAL
WIDTH ACROSS FLATS0.625 INCHES NOMINAL
LENGTH TO SHOULDER0.422 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.281 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES