5305-01-473-4897 SCREW,CAP,SOCKET HEAD Index 5340-01-473-4899 COVER,ACCESS

National Stock Number:
5305-01-473-4898

Federal Supply Class:
5305

National Item Identification Number:
014734898

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:
B1831DH050050N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS4G6G
FASTENER LENGTH35.0 MILLIMETERS NOMINAL
HEAD DIAMETER8.27 MILLIMETERS MINIMUM AND 8.50 MILLIMETERS MAXIMUM
HEAD HEIGHT4.86 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL PROPERTY CLASS 12.9 OVERALL
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH IN MILLIMETERS0.8
THREAD SERIES DESIGNATORISO M


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