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National Stock Number:
5305-01-570-2406
Federal Supply Class:
5305
National Item Identification Number:
015702406
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:
| 90585A546 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | HARDNESS RATING | 70.0 ROCKWELL B NOMINAL OVERALL | | HEAD DIAMETER | 0.531 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 1/4-20 1-1/2 | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | FINISH: PLAIN;TIP TYPE: PLAIN;HEAD HEIGHT: 0.161 INCH | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.339 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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