5305-01-517-9853 SCREW,CAP,HEXAGON HEAD Index 5340-01-517-9855 BRACKET,ANGLE

National Stock Number:
5305-01-517-9854

Federal Supply Class:
5305

National Item Identification Number:
015179854

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
B1835C12040N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
COUNTERSINK ANGLE90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
EXTERNAL THREAD TOLERANCE CLASS4G6G
FASTENER LENGTH40.0 MILLIMETERS NOMINAL
HEAD DIAMETER23.4 MILLIMETERS MINIMUM
HEAD STYLEFLAT COUNTERSUNK
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH36.0 MILLIMETERS MINIMUM AND 44.8 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.75


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