NSN 4730-01-042-9389

Part Details | TUBE COUPLING NUT

4730-01-042-9389 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: AN818L4D, MILF5509, MIL-F-5509, GN10FF4D, AS4841, 4730-01-042-9389, 01-042-9389, 4730010429389, 010429389

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JUN 17, 197701-042-938903859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-01-042-9389
Part Number Cage Code Manufacturer
AN818L4D88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
MIL-F-550981349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
GN10FF4D26512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
AS484181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 4730-01-042-9389
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH22
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.620 INCHES NOMINAL
WIDTH ACROSS FLATS0.562 INCHES NOMINAL
LENGTH TO SHOULDER0.532 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.305 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES
SPECIAL FEATURESW/ONE 0.045 MIN-0.050 MAX IN. DIA LOCK-WIRE HOLE,0.402 IN. FROM THD END
SPECIFICATION/STANDARD DATA81349-MIL-F-5509 GOVERNMENT SPECIFICATION