NSN 4730-01-186-8640

Part Details | UNION NUT

4730-01-186-8640 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: 213559 ITEM 16, 0085368, 4730-01-186-8640, 01-186-8640, 4730011868640, 011868640

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47AUG 16, 198401-186-864019964 ( NUT, UNION )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 4730-01-186-8640
Part Number Cage Code Manufacturer
213559 ITEM 1616497DRESSER, INC.DBA DRESSER EQUIPMENT GROUP
008536816497DRESSER, INC.DBA DRESSER EQUIPMENT GROUP
Technical Data | NSN 4730-01-186-8640
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE1.438 INCHES
THREAD QUANTITY PER INCH12
THREAD PITCH DIAMETERS+1.3834 TO +1.3910 INCHES
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
SHOULDER WIDTH0.125 INCHES NOMINAL
NUT HEIGHT0.755 INCHES NOMINAL
WIDTH ACROSS FLATS1.770 INCHES NOMINAL
SMALLEST INSIDE DIAMETER1.215 INCHES NOMINAL
SHOULDER STEP WIDTH0.135 INCHES NOMINAL
SHOULDER SEAT DIAMETER1.380 INCHES NOMINAL