2040-01-463-4301 COLLAR,HATCH COVER Index 5910-01-463-4303 CAPACITOR ASSEMBLY

National Stock Number:
5305-01-463-4302

Federal Supply Class:
5305

National Item Identification Number:
014634302

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-M12X50-8.8-A3CI9008INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH49.5 MILLIMETERS MINIMUM AND 50.5 MILLIMETERS MAXIMUM
HEAD DIAMETER17.73 MILLIMETERS MINIMUM AND 18.27 MILLIMETERS MAXIMUM
HEAD HEIGHT11.57 MILLIMETERS MINIMUM AND 12.00 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 DIAMETER12.0 MILLIMETERS
WIDTH ACROSS FLATS10.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONISO 4042 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH36.0 MILLIMETERS MINIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.75


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