5305-12-378-1864 SCREW,CAP,SOCKET HEAD Index 5305-13-119-5128 SCREW

National Stock Number:
5305-12-378-1873

Federal Supply Class:
5305

National Item Identification Number:
123781873

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.


Manufacturer Information:
DIN912-M8X70-12.9-A2D D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS5G6G
FASTENER LENGTH70,0 MILLIMETERS NOMINAL
HARDNESS RATING385 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 435 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
HEAD DIAMETER13,0 MILLIMETERS NOMINAL
HEAD HEIGHT8,0 MILLIMETERS NOMINAL
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH1220 NEWTONS PER SQUARE MILLIMETER
NOMINAL THREAD DIAMETER8,0 MILLIMETERS
WIDTH ACROSS FLATS6,0 MILLIMETERS NOMINAL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH28,0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1,25


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