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National Stock Number:
5305-01-551-7318
Federal Supply Class:
5305
National Item Identification Number:
015517318
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:
| 50000080 | 15434 | CUMMINS INC. | | 91306A379 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL | | HEAD HEIGHT | 0.132 INCHES NOMINAL | | HEAD DIAMETER | 0.437 INCHES NOMINAL | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BUTTON HEAD SOCKET CAP SCREW 1/4"-20 THREAD, 3/4" LENGTH | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 144000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | 5/32" HEX;HEAD HEIGHT .132";THREAD PITCH 20 | | WIDTH ACROSS FLATS | 0.1562 INCHES NOMINAL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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