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National Stock Number:
5306-01-383-8734
Federal Supply Class:
5306
National Item Identification Number:
013838734
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:
| 329-160 | 94223 | SPAENAUR INC DBA SPAENAUR INC. |
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Techincal Specification:
| FASTENER LENGTH | 9.000 INCHES NOMINAL | | GRIP LENGTH | 6.000 INCHES NOMINAL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.832 INCHES MINIMUM AND 0.886 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | ZINC ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | WIDTH BETWEEN FLATS | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM | | SURFACE TREATMENT | DICHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.000 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 7 | | THREAD SERIES DESIGNATOR | UNRC |
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