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National Stock Number: 5305-01-516-6281
Federal Supply Class: 5305
National Item Identification Number: 015166281
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.
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Manufacturer Information:
91253A389 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
COLOR | BLACK OVERALL | COUNTERSINK ANGLE | 82.000 DEGREES NOMINAL | FASTENER LENGTH | 3.000 INCHES NOMINAL | HEAD DIAMETER | 0.500 INCHES NOMINAL | HEAD STYLE | FLAT COUNTERSUNK | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL CORROSION RESISTING OVERALL | NOMINAL THREAD DIAMETER | 0.500 INCHES | SPECIAL FEATURES | 0.250IN HEAD HEIGHT; 0.500IN FASTENER DIAMETER; 137000 MINIMUM TENSILE STRENGTH; ROCKWELL HARDNESS C38-44 | PART NAME ASSIGNED BY CONTROLLING AGENCY | SOCKET HEAD CAP SCREW | WIDTH ACROSS FLATS | 0.313 INCHES NOMINAL | SURFACE TREATMENT | OXIDE OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.500 INCHES NOMINAL | THREAD QUANTITY PER INCH | 20 | THREAD SERIES DESIGNATOR | UNF |
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