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National Stock Number:
5306-00-174-4182
Federal Supply Class:
5306
National Item Identification Number:
001744182
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:
| 8365474 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | D42-105 | 31435 | LUCAS AEROSPACE POWER EQUIPMENT CORPORATION | | D42-105 | 3CPE0 | SAFRAN POWER USA LLC |
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Techincal Specification:
| FASTENER LENGTH | 4.660 INCHES MINIMUM AND 4.690 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 4.220 INCHES MINIMUM AND 4.250 INCHES MAXIMUM | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4037 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.436 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD LENGTH | 0.440 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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