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National Stock Number:
5305-01-592-8050
Federal Supply Class:
5305
National Item Identification Number:
015928050
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.
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Manufacturer Information:
| AES10M12D025WB4K42 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 23.3 MILLIMETERS MINIMUM AND 24.8 MILLIMETERS MAXIMUM | | EXTENDED WASHER THICKNESS | 5.3 MILLIMETERS NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 6H | | FASTENER LENGTH | 25.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 13.7 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEX, FLANGE | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F1941M ZINC NICKEL ALLOY FE/ZN-NI, TYPE 5F ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 19.7 MILLIMETERS MAXIMUM | | THREAD PITCH IN MILLIMETERS | 1.8 | | THREAD SERIES DESIGNATOR | M | | WIDTH BETWEEN FLATS | 14.7 MILLIMETERS MINIMUM AND 15.0 MILLIMETERS MAXIMUM |
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