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National Stock Number:
5306-00-298-1287
Federal Supply Class:
5306
National Item Identification Number:
002981287
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:
| 227330 | 77445 | RTX CORPORATION |
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Techincal Specification:
| DISTANCE FROM CENTERLINE TO FLAT | 0.057 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.100 INCHES MINIMUM AND 1.120 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.510 INCHES NOMINAL | | HEAD DIAMETER | 0.159 INCHES NOMINAL | | HEAD HEIGHT | 0.228 INCHES NOMINAL | | HEAD STYLE | DEE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | MINIMUM TENSILE STRENGTH | 85300 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.075 INCHES NOMINAL FIRST HOLE | | THREAD CLASS | 1A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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