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National Stock Number:
5305-01-174-0525
Federal Supply Class:
5305
National Item Identification Number:
011740525
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:
| B1831CH120030N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| FASTENER LENGTH | 29.60 MILLIMETERS MINIMUM AND 30.40 MILLIMETERS MAXIMUM | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 17.63 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 11.79 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 1220 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 1100 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | SPECIAL FEATURES | COLORE BLACK | | WIDTH ACROSS FLATS | 10.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 26.1 MILLIMETERS MINIMUM AND 30.4 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.75 |
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