NSN 5306-00-639-3312

Part Details | SQUARE NECK BOLT

5306-00-639-3312 A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Alternate Parts: FFB571, 5306-00-639-3312, 00-639-3312, 5306006393312, 006393312

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-639-331215939 ( BOLT, SQUARE NECK )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

Cross Reference | NSN 5306-00-639-3312
Part Number Cage Code Manufacturer
FFB57181348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 5306-00-639-3312
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM
FASTENER LENGTH2.500 INCHES NOMINAL
HEAD STYLE0 DISHED HEXAGON
HEAD DIAMETER0.813 INCHES NOMINAL
HEAD HEIGHT0.188 INCHES NOMINAL
NECK LENGTH0.281 INCHES NOMINAL
NECK WIDTH0.375 INCHES NOMINAL
FEATURES PROVIDED SQUARE NUT
NONDEFINITIVE SPEC/STD DATAC2 TYPE