5305-01-113-2263 SCREW,CAP,SOCKET HEAD Index 5306-01-113-2266 BOLT,CLOSE TOLERANCE

National Stock Number:
5305-01-113-2264

Federal Supply Class:
5305

National Item Identification Number:
011132264

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
4V786411083CATERPILLAR INC


Techincal Specification:
FASTENER LENGTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.920 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION1E509 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.330 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM


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