5305-01-341-8543 SCREW,CAP,SOCKET HEAD Index 5305-01-341-8545 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-341-8544

Federal Supply Class:
5305

National Item Identification Number:
013418544

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:
91253A62639428MCMASTER-CARR SUPPLY CO
P0309105331LULL LIFT CORP DBA OMNIQUIP PARTS WORLDWIDE


Techincal Specification:
COLORBLACK OVERALL
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.781 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429,GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.218 INCHES NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.891 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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