NSN 4730-00-639-9871

Part Details | TUBE COUPLING NUT

4730-00-639-9871 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: MS21917D16, ER817D16, MS21917D16, ER817D16, MS21917D16, 4730-00-639-9871, 00-639-9871, 4730006399871, 006399871

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-639-987103859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-639-9871
Part Number Cage Code Manufacturer
MS21917D1679470DANA CORPWEATHERHEAD DIV
ER817D1679470DANA CORPWEATHERHEAD DIV
MS21917D1601276EATON-AEROQUIP INCDIV FLUID CONNECTORS PRODUCTS
ER817D1601276EATON-AEROQUIP INCDIV FLUID CONNECTORS PRODUCTS
MS21917D1696906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 4730-00-639-9871
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE1.312 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT2.062 INCHES NOMINAL
WIDTH ACROSS FLATS1.500 INCHES NOMINAL
LENGTH TO SHOULDER0.677 INCHES NOMINAL
SMALLEST INSIDE DIAMETER1.006 INCHES NOMINAL
SEAT ANGLE45.00 DEGREES NOMINAL
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER1.000 INCHES