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National Stock Number:
5305-01-335-9276
Federal Supply Class:
5305
National Item Identification Number:
013359276
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:
| 91255A581 | 39428 | MCMASTER-CARR SUPPLY CO | | P03211 | 05331 | LULL LIFT CORP DBA OMNIQUIP PARTS WORLDWIDE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.639 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | COLOR | BLACK OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | HEAD STYLE | BUTTON | | HEAD DIAMETER | 0.527 INCHES MINIMUM AND | | 0.547 INCHES MAXIMUM | | HEAD HEIGHT | 0.152 INCHES MINIMUM AND | | 0.166 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
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