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National Stock Number:
5305-20-006-4450
Federal Supply Class:
5305
National Item Identification Number:
200064450
Description:
SETSCREW
Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
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Techincal Specification:
| COLOR | BLACK OVERALL | | FASTENER LENGTH | 0.313 INCHES NOMINAL | | HARDNESS RATING | 45.0 ROCKWELL C NOMINAL OVERALL | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | POINT LENGTH | 0.067 INCHES NOMINAL | | POINT DIAMETER | 0.156 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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