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National Stock Number:
5305-01-428-2767
Federal Supply Class:
5305
National Item Identification Number:
014282767
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:
| 91255A535 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| COLOR | BLACK OVERALL | | FASTENER LENGTH | 0.375 INCHES NOMINAL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 137000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
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