NSN 4730-00-640-5045

Part Details | TUBE COUPLING NUT

4730-00-640-5045 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: MS21917D6, ER8186D, ER818-6D, ER817D6, MS21917D6, ER8186D, ER818-6D, ER817D6, MS21917D6, 4730-00-640-5045, 00-640-5045, 4730006405045, 006405045

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-640-504503859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-640-5045
Part Number Cage Code Manufacturer
MS21917D679470DANA CORPWEATHERHEAD DIV
ER818-6D79470DANA CORPWEATHERHEAD DIV
ER817D679470DANA CORPWEATHERHEAD DIV
MS21917D601276EATON-AEROQUIP INCDIV FLUID CONNECTORS PRODUCTS
ER818-6D01276EATON-AEROQUIP INCDIV FLUID CONNECTORS PRODUCTS
ER817D601276EATON-AEROQUIP INCDIV FLUID CONNECTORS PRODUCTS
MS21917D696906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 4730-00-640-5045
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT1.297 INCHES NOMINAL
WIDTH ACROSS FLATS0.688 INCHES NOMINAL
LENGTH TO SHOULDER0.568 INCHES MINIMUM AND 0.588 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM
SEAT ANGLE45.00 DEGREES NOMINAL
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES