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National Stock Number:
5306-01-174-8741
Federal Supply Class:
5306
National Item Identification Number:
011748741
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:
| B18231A08020N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | C91501-1308020 | 55921 | CURTIS-TOLEDO INC. |
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Techincal Specification:
| FASTENER LENGTH | 19.60 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | HEAD HEIGHT | 5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 12.7 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 17.1 MILLIMETERS MINIMUM AND 20.4 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.25 |
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