NSN 4730-00-803-1403

Part Details | TUBE COUPLING NUT

4730-00-803-1403 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: 67433018, 6743301-8, 67433018, 6743301-8, 67433018, 6743301-8, 4730-00-803-1403, 00-803-1403, 4730008031403, 008031403

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196200-803-140303859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-803-1403
Part Number Cage Code Manufacturer
6743301-873342ALLISON TRANSMISSION, INC.
6743301-824617GENERAL MOTORS CORP
6743301-863005ROLLS-ROYCE CORPORATION
Technical Data | NSN 4730-00-803-1403
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.844 INCHES NOMINAL
WIDTH ACROSS FLATS0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM
LENGTH TO SHOULDER0.723 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.570 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.571 INCHES
SPECIAL FEATURES2 HOLES 0.045 IN. TO 0.051 IN. DIA DRILLED 0.281 IN. FROM OPPOSITE END OF SMALLEST ID