6125-00-631-4027 MOTOR GENERATOR Index 5340-00-631-4033 CATCH,FRICTION

National Stock Number:
5310-00-631-4031

Federal Supply Class:
5310

National Item Identification Number:
006314031

Description:
NUT,PLAIN,EXTENDED WASHER,HEXAGO

Detail:
A NUT HAVING 6 FLAT SIDES AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE FLATS OR PERIPHERY.


Manufacturer Information:
631403119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
COUNTERBORE DIAMETER3.000 INCHES NOMINAL NUT
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING269.0 BRINELL STANDARD MINIMUM AND 321.0 BRINELL STANDARD MAXIMUM
OVERALL HEIGHT1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8640 OVERALL
NOMINAL THREAD SIZE2.750 INCHES
NUT COUNTERBORE DEPTH0.125 INCHES NOMINAL NUT
NUT STYLEHEXAGON
WASHER OUTSIDE DIAMETER5.250 INCHES NOMINAL
WASHER THICKNESS0.375 INCHES NOMINAL
WIDTH ACROSS FLATS4.500 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNC
THREAD QUANTITY PER INCH12


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