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National Stock Number:
5305-01-434-2946
Federal Supply Class:
5305
National Item Identification Number:
014342946
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:
| 74G720 | 89749 | CLARK MATERIAL HANDLING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.250 INCHES NOMINAL | | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER | | HEAD DIAMETER | 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM | | HEAD HEIGHT | 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.4375 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 | | WIDTH ACROSS FLATS | 0.3750 INCHES MINIMUM AND 0.3790 INCHES MAXIMUM |
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