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National Stock Number:
5306-01-083-0774
Federal Supply Class:
5306
National Item Identification Number:
010830774
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:
| 12286993-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | STD3060-02 | 99193 | HONEYWELL INTERNATIONAL INC. | | VSTD3060-02 | 1N8S8 | VERICOR POWER SYSTEMS LLC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | MATERIAL | IRON ALLOY 660 OVERALL | | THREAD LENGTH | 0.188 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND | | 35.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.230 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.212 INCHES MINIMUM AND | | 0.220 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.312 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND | | 0.050 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.047 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES THREADS | | FEATURES PROVIDED | FINISHED HEAD |
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