NSN 4730-00-491-3101

Part Details | TUBE COUPLING NUT

4730-00-491-3101 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: 65A81C31202, 65A81C312-02, 65A81C31202, 65A81C312-02, 4730-00-491-3101, 00-491-3101, 4730004913101, 004913101

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47SEP 21, 197000-491-310103859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-491-3101
Part Number Cage Code Manufacturer
65A81C312-0293568HARSCO CORPBMY-COMBAT SYSTEMS DIV
65A81C312-0279343SCIENCE APPLICATIONS INTERNATIONALCORPORATION
Technical Data | NSN 4730-00-491-3101
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.210 INCHES NOMINAL
WIDTH ACROSS FLATS0.441 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.255 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.259 INCHES
END ITEM IDENTIFICATION45N AIRCRAFT, PROWLER EA-6B