5305-01-254-2557 SETSCREW Index 5305-01-254-2559 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-254-2558

Federal Supply Class:
5305

National Item Identification Number:
012542558

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:
1150920211862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
115092027X677GENERAL MOTORS LLC


Techincal Specification:
EXTENDED WASHER DIAMETER22.3 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS1.5 MILLIMETERS MINIMUM
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH87.80 MILLIMETERS MINIMUM AND 90.00 MILLIMETERS MAXIMUM
HEAD HEIGHT9.2 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIALSTEEL PROPERTY CLASS 9.8 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER10.0 MILLIMETERS
WIDTH BETWEEN FLATS12.7 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH38.5 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.5


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