5305-01-286-7984 SCREW,CAP,SOCKET HEAD Index 5305-01-286-7986 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-286-7985

Federal Supply Class:
5305

National Item Identification Number:
012867985

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:
91252A24439428MCMASTER-CARR SUPPLY CO


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH0.625 INCHES NOMINAL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.563 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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