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National Stock Number:
5305-01-500-8023
Federal Supply Class:
5305
National Item Identification Number:
015008023
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:
| ISO4762-M12X40-12.9-A3C | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 1.75 | | EXTERNAL THREAD TOLERANCE CLASS | 5G6G | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 40.0 MILLIMETERS NOMINAL | | FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 18.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 12.0 MILLIMETERS NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 1.0 MILLIMETERS NOMINAL | | SPECIAL FEATURES | PROTECTIVE TREATMENT PER ISO 4762 A3C |
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