4820-01-628-5091 VALVE,CHECK 2510-01-628-5226 FRAME,STRUCTURAL,VEHICULAR

National Stock Number:
5305-01-628-5140

Federal Supply Class:
5305

National Item Identification Number:
016285140

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:
94912A23039428MCMASTER-CARR SUPPLY CO


Techincal Specification:
FASTENER LENGTH0.6250 INCHES NOMINAL
FEATURES PROVIDEDWASHER
HARDNESS RATING70.0 ROCKWELL B NOMINAL OVERALL
HEAD DIAMETER0.27 INCHES NOMINAL
HEAD HEIGHT0.164 INCHES NOMINAL
HEAD STYLEFLAT FILLISTER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL PROPERTY CLASS 18.8 OVERALL
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.1640 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSTAINLESS STEEL SOCKET HEAD SCREW W/WASHER
SPECIAL FEATURES0.047 INCH WASHER INCLUDED
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.6250 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32
WIDTH ACROSS FLATS0.1406 INCHES NOMINAL


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