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National Stock Number:
5305-01-625-7678
Federal Supply Class:
5305
National Item Identification Number:
016257678
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:
| B1813DH080040L | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | B1831DH080040L | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 4G6G | | FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL | | HEAD DIAMETER | 12.7 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 7.83 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | SELF-LOCKING GRIP | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 40.0 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 1.25 | | THREAD SERIES DESIGNATOR | M | | WIDTH ACROSS FLATS | 6.02 MILLIMETERS MINIMUM AND 6.09 MILLIMETERS MAXIMUM |
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