4510-01-515-4316 TOILET,AIRCRAFT Index 6220-01-515-4318 LIGHT,NAVIGATIONAL,AIRCRAFT

National Stock Number:
5305-01-515-4317

Federal Supply Class:
5305

National Item Identification Number:
015154317

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:
B18231B05060N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
THREAD SERIES DESIGNATORM
THREAD LENGTH60.0 MILLIMETERS NOMINAL
MATERIALSTEEL OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS0.8
EXTERNAL THREAD TOLERANCE CLASS6G
SURFACE TREATMENTZINC OVERALL
HEAD HEIGHT2.4 MILLIMETERS MINIMUM


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