5310-12-311-0331 WASHER,FLAT Index 5305-12-311-0440 SCREW,MACHINE

National Stock Number:
5305-12-311-0349

Federal Supply Class:
5305

National Item Identification Number:
123110349

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:
000912 008020D8266MTU FRIEDRICHSHAFEN GMBH
000912008020D8266MTU FRIEDRICHSHAFEN GMBH
06.02191-0410D3273MAN TRUCK & BUS AG
06021910410D3273MAN TRUCK & BUS AG
DIN912-M8X30-10.9-ZNPHRFD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6 KLEIN G
FASTENER LENGTH30.0 MILLIMETERS NOMINAL
HARDNESS RATING310.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 382.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
HEAD DIAMETER13.0 MILLIMETERS MAXIMUM
HEAD HEIGHT8.0 MILLIMETERS MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONDIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
SPECIAL FEATURES940 NEWTONS PER SQ MM OFFSET YIELD STRENGTH O/A;1040 NEWTONS PER SQ MM MINIMUM TENSILE STRENGTH
WIDTH ACROSS FLATS6.0 MILLIMETERS NOMINAL
STRENGTH GRADE DESIGNATION10.9
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN50942 VERFAHREN ZNPHRF ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
TEST DATA DOCUMENTD8286-DIN912 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH26.25 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.25


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