NSN 4730-00-278-5449

Part Details | TUBE COUPLING NUT

4730-00-278-5449 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: AN8056, AN805-6, AN805, 156D2, MILF6001, MIL-F-6001, 4730-00-278-5449, 00-278-5449, 4730002785449, 002785449

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-278-544903859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-278-5449
Part Number Cage Code Manufacturer
AN805-688044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN80588044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
156D20AHP5CURTISS-WRIGHT CONTROLS, INCDIV SENSORS & CONTROLS
MIL-F-600181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 4730-00-278-5449
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.562 INCHES NOMINAL
WIDTH ACROSS FLATS0.744 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
LENGTH TO SHOULDER0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER0.473 INCHES MINIMUM AND 0.477 INCHES MAXIMUM
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES