5998-01-463-4316 HOLDER,ELECTRICAL CARD Index 5935-01-463-4318 CONNECTOR,RECEPTACLE,ELECTRICAL

National Stock Number:
5305-01-463-4317

Federal Supply Class:
5305

National Item Identification Number:
014634317

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:
ISO4762-M8X20-8.8-A3CI9008INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH19.58 MILLIMETERS MINIMUM AND 20.42 MILLIMETERS MAXIMUM
HEAD DIAMETER12.73 MILLIMETERS MINIMUM AND 13.27 MILLIMETERS MAXIMUM
HEAD HEIGHT7.64 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONISO 898-1 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
MINIMUM TENSILE STRENGTH113784 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
WIDTH ACROSS FLATS6.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONISO 4042 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH14.83 MILLIMETERS MINIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.25


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