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National Stock Number:
5306-00-227-0918
Federal Supply Class:
5306
National Item Identification Number:
002270918
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:
| M1222RN8C240SHNN | 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:
| DEPARTURE FROM CITED DESIGNATOR | AS MOD BY MATERIAL SPEC | | FASTENER LENGTH | 2.500 INCHES NOMINAL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-DTL-1222 GRADE 410, 416, OR 416SE CONDITION T MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
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