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National Stock Number:
5306-00-186-6540
Federal Supply Class:
5306
National Item Identification Number:
001866540
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:
| J58 0.500-20UNF-3A X 2.250 | 0U583 | SAE INTERNATIONAL | | J58 0.500-20UNF-3A X 2.250 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | M24240-4-20818 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MILS24240-4 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 1.687 INCHES MINIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.492 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.495 INCHES MINIMUM AND | | 0.503 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.735 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.208 INCHES MINIMUM AND | | 0.228 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD |
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