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National Stock Number:
5306-00-142-4050
Federal Supply Class:
5306
National Item Identification Number:
001424050
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:
| 491D46 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. | | 491D46 | 66640 | CURTISS-WRIGHT FLIGHT SYSTEMS/SHELBY INC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.609 INCHES MINIMUM AND 0.619 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.084 INCHES NOMINAL | | FASTENER LENGTH | 0.940 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.070 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | HEAD HEIGHT | 0.240 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.2238 TO 0.2313 INCHES | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.800 INCHES MINIMUM AND 0.870 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNS |
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