NSN 4730-01-044-3811

Part Details | TUBE COUPLING NUT

4730-01-044-3811 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: AN818L6K, AN818L6J, MILF5509, MIL-F-5509, 4730-01-044-3811, 01-044-3811, 4730010443811, 010443811

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JUL 11, 197701-044-381103859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

CONFIGURATION B

Cross Reference | NSN 4730-01-044-3811
Part Number Cage Code Manufacturer
AN818L6K88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN818L6J88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
MIL-F-550981349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 4730-01-044-3811
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.724 INCHES NOMINAL
WIDTH ACROSS FLATS0.688 INCHES NOMINAL
LENGTH TO SHOULDER0.603 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.440 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
HOLE CONFIGURATION STYLE CONFIGURATION B
HOLE TYPE AND QUANTITY4 DRILLED
DRILLED HOLE DIAMETER0.046 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
SPECIFICATION/STANDARD DATA81349-MIL-F-5509 GOVERNMENT SPECIFICATION