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National Stock Number:
5306-01-018-6155
Federal Supply Class:
5306
National Item Identification Number:
010186155
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:
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Techincal Specification:
| FASTENER LENGTH | 1.261 INCHES MINIMUM AND 1.271 INCHES MAXIMUM | | GRIP LENGTH | 1.061 INCHES NOMINAL | | HEAD HEIGHT | 0.092 INCHES NOMINAL | | HEAD DIAMETER | 0.435 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | HEAD STYLE | ROUND W/WRENCH FLATS | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM 1581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPECIAL FEATURES | HOLE IN. HEAD 0.062 IN. MIN 0.064 MAX DIA | | WIDTH BETWEEN FLATS | 0.306 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.200 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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