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National Stock Number:
5305-01-490-1898
Federal Supply Class:
5305
National Item Identification Number:
014901898
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:
| ASME B18.24 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | S300NA42FAM19574NNFE2 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| FASTENER LENGTH | 1.250 INCHES NOMINAL | | HEAD DIAMETER | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | HOLE DIAMETER | 0.0635 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B766 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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