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National Stock Number:
5306-00-428-1016
Federal Supply Class:
5306
National Item Identification Number:
004281016
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:
| 139239 | 08683 | BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC | | 6-73-1227 | 72447 | DANA COMMERCIAL VEHICLE MANUFACTURING, LLC | | 7373189 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | A29781X | 65282 | WHITE MOTOR CORP | | 6-73-1227 | 95019 | DANA CORP SPICER TRANSMISSION DIV |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 1.672 INCHES MINIMUM AND | | 1.702 INCHES MAXIMUM | | MATERIAL | STEEL COMP 3135 OVERALL | | THREAD LENGTH | 0.500 INCHES MINIMUM AND | | 0.562 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND | | 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.271 INCHES MINIMUM AND | | 0.291 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND | | 0.563 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD |
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