NSN 4730-01-134-8737

Part Details | TUBE COUPLING NUT

4730-01-134-8737 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: AN818L5J, AN818-L5J, MILF5509, MIL-F-5509, 4730-01-134-8737, 01-134-8737, 4730011348737, 011348737

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JUL 13, 198201-134-873703859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-01-134-8737
Part Number Cage Code Manufacturer
AN818-L5J88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
MIL-F-550981349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 4730-01-134-8737
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.683 INCHES NOMINAL
WIDTH ACROSS FLATS0.625 INCHES NOMINAL
LENGTH TO SHOULDER0.579 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.374 INCHES NOMINAL
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.312 INCHES
SPECIAL FEATURESWITH LOCKWIRE HOLES
SPECIFICATION/STANDARD DATA88044-AN818 GOVERNMENT STANDARD AND 81349-MIL-F-5509 GOVERNMENT SPECIFICATION