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National Stock Number:
5306-01-092-8129
Federal Supply Class:
5306
National Item Identification Number:
010928129
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:
| SS27576-5-46 | 12020 | OAK CRYSTAL INC | | SS27576-5-46 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | SS27576-5-46 | 56878 | SPS TECHNOLOGIES, LLC | | SS27576-5-46 | 58794 | FASTENER TECHNOLOGY CORP | | SS27576-5-46 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | SS27576-5-46 | 80539 | SPS TECHNOLOGIES, LLC | | SS27576-5-46 | 84256 | AVIBANK MFG., INC. |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 3.353 INCHES MINIMUM AND | | 3.373 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.478 INCHES MINIMUM AND | | 0.482 INCHES MAXIMUM | | HEAD STYLE | CROWNED HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 41.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.157 INCHES MINIMUM AND | | 0.172 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.557 INCHES NOMINAL | | GRIP LENGTH | 2.875 INCHES MINIMUM AND | | 2.891 INCHES MAXIMUM |
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