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
PART NAME ASSIGNED BY CONTROLLING AGENCYSTAINLESS STEEL SOCKET HEAD SCREW W/WASHER
MATERIALSTEEL PROPERTY CLASS 18.8 OVERALL
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.1640 INCHES
SPECIAL FEATURES0.047 INCH WASHER INCLUDED
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.6250 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.1406 INCHES NOMINAL


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