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National Stock Number:
5305-01-134-5739
Federal Supply Class:
5305
National Item Identification Number:
011345739
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:
| 91251A124 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.198 INCHES MINIMUM AND 0.205 INCHES MAXIMUM | | HEAD HEIGHT | 0.121 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.125 INCHES | | WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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