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National Stock Number:
5306-01-284-2476
Federal Supply Class:
5306
National Item Identification Number:
012842476
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:
| 5/16-18UNC-2A X 1 IN LG ZINC | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | 5/16-18UNC-2A X 1 IN LG ZINC | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-S-1222 | 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 | 0.970 INCHES MINIMUM AND | | 1.020 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.875 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429,GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TY2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND | | 34.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 92000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND | | 0.235 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.484 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | NONDEFINITIVE SPEC/STD DATA | 1,GR 5 TYPE | | SPEC/STD CONTROLLING DATA | | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-1222 | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | 5/16-18UNC-2A X 1 IN LG ZINC |
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