5305-01-277-4989 SCREW,CAP,SOCKET HEAD Index 5305-01-277-4991 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-277-4990

Federal Supply Class:
5305

National Item Identification Number:
012774990

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:
725-102944940CUMMINS POWER GENERATION INC.


Techincal Specification:
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL PROPERTY CLASS 12.9 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER6.0 MILLIMETERS
WIDTH ACROSS FLATS5.0 MILLIMETERS NOMINAL
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH13.6 MILLIMETERS MINIMUM AND 19.4 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.0
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH24.6 MILLIMETERS MINIMUM AND 25.4 MILLIMETERS MAXIMUM
HEAD DIAMETER9.74 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM
HEAD HEIGHT5.85 MILLIMETERS MINIMUM AND 6.00 MILLIMETERS MAXIMUM


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