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National Stock Number:
5305-01-423-7139
Federal Supply Class:
5305
National Item Identification Number:
014237139
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:
| AES43M508020BC4AA1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B1831BH050020N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6H | | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | HEAD DIAMETER | 8.27 MILLIMETERS MINIMUM AND 8.50 MILLIMETERS MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | HEAD HEIGHT | 4.86 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL | | NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325, TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 0.8 | | THREAD SERIES DESIGNATOR | M | | WIDTH ACROSS FLATS | 4.0 MILLIMETERS NOMINAL |
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