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National Stock Number:
5305-12-193-1604
Federal Supply Class:
5305
National Item Identification Number:
121931604
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:
| DIN912-M20X40-8.8 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | M 20X40 DIN 912 -8.8 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | M20X40DIN912-8-8 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | M20X40DIN912-8.8 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6 SMALL G | | FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 225.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 300.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD DIAMETER | 30.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 20.0 MILLIMETERS NOMINAL | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN ISO898PART1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | SPECIAL FEATURES | 640 NEWTONS PER SQ MM O/A OFFSET YIELD STRENGTH:800 NEWTONS PER SQ MM MINIMUM TENSILE STRENGTH | | WIDTH ACROSS FLATS | 17.0 MILLIMETERS NOMINAL | | STRENGTH GRADE DESIGNATION | 8.8 | | TEST DATA DOCUMENT | D8286-DIN912 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 32.5 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 2.5 |
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