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National Stock Number:
5306-00-430-9374
Federal Supply Class:
5306
National Item Identification Number:
004309374
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:
| 44 | 23926 | KOMATSU AMERICA INTL CO | | M44 | 23926 | KOMATSU AMERICA INTL CO |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 10.500 INCHES NOMINAL | | MATERIAL | STEEL COMP 1020 OVERALL | | THREAD LENGTH | 1.188 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR | | ASTMA108 ASSN STD SINGLE MATERIAL RESPONSE OR | | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 79.0 ROCKWELL B NOMINAL OVERALL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL | | FEATURES PROVIDED | UNFINISHED HEAD |
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