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National Stock Number:
5306-01-496-2591
Federal Supply Class:
5306
National Item Identification Number:
014962591
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| B18234B12025N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 24.7 MILLIMETERS MAXIMUM | | EXTENDED WASHER THICKNESS | 1.8 MILLIMETERS MINIMUM | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 25.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 11.9 MILLIMETERS MAXIMUM | | HEAD STYLE | CHAMFER FLANGE | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | METRIC HEX FLANGE SCREWS | | WIDTH BETWEEN FLATS | 14.57 MILLIMETERS MINIMUM AND 15.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TYIICL10.9 ASSN STD ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 25.0 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 1.75 | | THREAD SERIES DESIGNATOR | M |
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