5305-12-138-3758 SCREW,CAP,SOCKET HEAD Index 3110-12-138-3856 BALL,BEARING

National Stock Number:
5305-12-138-3762

Federal Supply Class:
5305

National Item Identification Number:
121383762

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:
9919978D1439BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT
DIN912-M8X25-8.8-A2AD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN912M8X25-8-8A2AD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M8X25DIN912-8-8A2AD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M8X25DIN912-8GGALZN5MTD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6 KLEIN G
FASTENER LENGTH25.0 MILLIMETERS NOMINAL
HARDNESS RATING225 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 300 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
HEAD DIAMETER13.0 MILLIMETERS NOMINAL
HEAD HEIGHT8.0 MILLIMETERS NOMINAL
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONDIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH800 NEWTONS PER SQUARE MILLIMETER
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
OFFSET YIELD STRENGTH640 NEWTONS PER SQUARE MILLIMETER
WIDTH ACROSS FLATS6.0 MILLIMETERS NOMINAL
STRENGTH GRADE DESIGNATION8.8
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN267TEIL9, SCHLUESSEL A2A ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
TEST DATA DOCUMENTD8286-DIN912 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH21.25 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.25


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