NSN 5310-00-631-4031

Part Details | HEXAGON EXTENDED WASHER PLAIN NUT

5310-00-631-4031 A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.

Alternate Parts: 6314031, 5310-00-631-4031, 00-631-4031, 5310006314031, 006314031

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-631-403104889 ( NUT, PLAIN, EXTENDED WASHER, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5310-00-631-4031
Part Number Cage Code Manufacturer
631403119207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5310-00-631-4031
Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE2.750 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATINGBSB269.0 BRINELL STANDARD AND BSC321.0 BRINELL STANDARD
NUT STYLE HEXAGON
WASHER OUTSIDE DIAMETER5.250 INCHES NOMINAL
OVERALL HEIGHT1.250 INCHES NOMINAL
WASHER THICKNESS0.375 INCHES NOMINAL
WIDTH ACROSS FLATS4.500 INCHES NOMINAL
FEATURES PROVIDED CASEHARDENED