NSN 4730-00-287-0270

Part Details | TUBE COUPLING NUT

4730-00-287-0270 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: AN81832, AN818-32, MILF5509A, 4730-00-287-0270, 00-287-0270, 4730002870270, 002870270

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-287-027003859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-287-0270
Part Number Cage Code Manufacturer
AN818-3288044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
MILF5509A81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 4730-00-287-0270
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE2.500 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT1.734 INCHES NOMINAL
WIDTH ACROSS FLATS2.855 INCHES MINIMUM AND 2.895 INCHES MAXIMUM
LENGTH TO SHOULDER1.462 INCHES NOMINAL
SMALLEST INSIDE DIAMETER2.167 INCHES MINIMUM AND 2.170 INCHES MAXIMUM
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER2.000 INCHES