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National Stock Number:
5305-01-549-1930
Federal Supply Class:
5305
National Item Identification Number:
015491930
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:
| B1831BH040012N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 0.7 | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 12.0 MILLIMETERS NOMINAL | | FASTENER LENGTH | 12.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 6.8 MILLIMETERS MINIMUM AND | | 7.0 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 3.9 MILLIMETERS MINIMUM AND | | 4.0 MILLIMETERS MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 3.0 MILLIMETERS MINIMUM AND | | 3.1 MILLIMETERS MAXIMUM |
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