5305-01-611-9442 SCREW,CAP,SOCKET HEAD 5305-01-611-8503 SCREW,SHOULDER

National Stock Number:
5305-01-611-8618

Federal Supply Class:
5305

National Item Identification Number:
016118618

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:
91205A6012V507MCMASTER-CARR SUPPLY COMPANY


Techincal Specification:
COLORBLACK OVERALL
EXTERNAL THREAD TOLERANCE CLASS3A
FASTENER LENGTH1.250 INCHES NOMINAL
HARDNESS RATING39.0 ROCKWELL C MINIMUM OVERALL
HEAD DIAMETER0.469 INCHES NOMINAL
HEAD HEIGHT0.313 INCHES NOMINAL
HEAD STYLEFLAT FILLISTER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 GRADE 8 STEEL, ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSELF LOCKING SOCKET HEAD CAP SCREW
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.313 INCHES
SPECIAL FEATURESNYLON LOCKING PATCH BONDED TO THREADS
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.250 INCHES NOMINAL


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