NSN 4730-00-277-3349

Part Details | UNION NUT

4730-00-277-3349 An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes NUT (1), TUBE COUPLING.

Alternate Parts: 5000S4823841337PC4, 5000S4823-841337PC4, 4730-00-277-3349, 00-277-3349, 4730002773349, 002773349

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-277-334919964 ( NUT, UNION )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 4730-00-277-3349
Part Number Cage Code Manufacturer
5000S4823-841337PC480064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4730-00-277-3349
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE1.125 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
SHOULDER WIDTH0.438 INCHES NOMINAL
NUT HEIGHT1.406 INCHES NOMINAL
WIDTH ACROSS FLATS1.500 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.672 INCHES NOMINAL
SHOULDER STEP WIDTH0.219 INCHES NOMINAL
SHOULDER SEAT DIAMETER1.000 INCHES NOMINAL
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNEDFBAAD3000.0 POUNDS PER SQUARE INCH AND FBAAJ3000.0 POUNDS PER SQUARE INCH AND FBAAG3000.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THD SIZE