4820-00-433-3679 VALVE,CHECK Index 4820-00-433-3684 VALVE,CHECK

National Stock Number:
5305-00-433-3680

Federal Supply Class:
5305

National Item Identification Number:
004333680

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:
22315724617GENERAL MOTORS CORP
2231577X677GENERAL MOTORS LLC


Techincal Specification:
FASTENER LENGTH1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
POINT STYLEHALF DOG
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.350 INCHES MINIMUM AND 1.400 INCHES MAXIMUM


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