5305-00-350-6275 SCREW,CAP,SOCKET HEAD Index 5330-00-350-6279 SEAL,PLAIN ENCASED

National Stock Number:
5305-00-350-6276

Federal Supply Class:
5305

National Item Identification Number:
003506276

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:
0D39292392ALLIS-CHALMERS CORP
532857519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH3.234 INCHES MINIMUM AND 3.266 INCHES MAXIMUM
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
POINT DIAMETER0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
POINT LENGTH1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM
POINT STYLECHAMFER DOG
POINT CHAMFER ANGLE90.0 DEGREES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.031 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF
WIDTH BETWEEN FLATS0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM


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