2520-00-737-4270 PINION,TRANSMISSION Index 5310-00-737-4274 NUT,PLAIN,ROUND

National Stock Number:
5305-00-737-4271

Federal Supply Class:
5305

National Item Identification Number:
007374271

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
676002224617GENERAL MOTORS CORP
676002273342ALLISON TRANSMISSION INC
737427119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1117 OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES
POINT CHAMFER ANGLE30.0 DEGREES NOMINAL
POINT LENGTH0.312 INCHES NOMINAL
POINT STYLEFLAT
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.625 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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