5305-01-177-1799 SCREW,CAP,SOCKET HEAD Index 5305-01-177-1806 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-177-1803

Federal Supply Class:
5305

National Item Identification Number:
011771803

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:
ANSI B18.3.1M B1831CH050016N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
B1831CH050016N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
THREAD SERIES DESIGNATORM
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS0.80
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH14.00 MILLIMETERS MINIMUM AND
16.40 MILLIMETERS MAXIMUM
FASTENER LENGTH15.60 MILLIMETERS MINIMUM AND
16.40 MILLIMETERS MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTOXIDE OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER8.27 MILLIMETERS MINIMUM AND
8.50 MILLIMETERS MAXIMUM
HEAD HEIGHT4.86 MILLIMETERS MINIMUM AND
5.00 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS4.0 MILLIMETERS NOMINAL
SPECIAL FEATURESFINISH COLOR BLACK


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