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National Stock Number:
5305-01-617-1450
Federal Supply Class:
5305
National Item Identification Number:
016171450
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-M4X16-A4-70BLACKENED | I9009 | INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC) |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | NOMINAL THREAD DIAMETER | 70.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 0.7 | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | FASTENER LENGTH | 42.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | CHAMFER FLANGE | | HEAD HEIGHT | 3.82 MILLIMETERS MINIMUM AND | | 4.00 MILLIMETERS MAXIMUM | | WIDTH BETWEEN FLATS | 6.78 MILLIMETERS MINIMUM AND | | 7.22 MILLIMETERS MAXIMUM | | EXTENDED WASHER DIAMETER | 3.82 MILLIMETERS MINIMUM AND | | 4.00 MILLIMETERS MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 3.0 MILLIMETERS NOMINAL |
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