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National Stock Number:
5305-01-612-9736
Federal Supply Class:
5305
National Item Identification Number:
016129736
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:
| 24006 | 0TU57 | FASTENAL CO INC |
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Techincal Specification:
| COLOR | BLACK OVERALL | | FASTENER LENGTH | 0.22 INCHES MINIMUM AND 0.25 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM | | HEAD DIAMETER | 0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F835 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUMBER 4-40X0.25, SOCKET BUTTON HEAD CAP SCREW, ALLOY, BLACK OXIDE | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SURFACE TREATMENT | BLACK CHEMICAL FINISH AND OXIDE OVERALL | | THREAD LENGTH | 0.22 INCHES MINIMUM AND 0.25 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNRC | | THREAD QUANTITY PER INCH | 40 | | WIDTH ACROSS FLATS | 0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM |
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