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National Stock Number:
5306-00-059-1205
Federal Supply Class:
5306
National Item Identification Number:
000591205
Description:
BOLT,CLOSE TOLERANCE
Detail:
An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.
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Manufacturer Information:
| 3M33-3H2 | 06065 | NEWPORT AERONAUTICAL SALES | | 3M33-3H2 | 06710 | VALLEY-TODECO, INC. | | 3M33-3H2 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M33-3H2 | 17446 | HUCK INTERNATIONAL, INC | | 3M33-3H2 | 17943 | FEDERAL MANUFACTURING CORP | | 3M33-3H2 | 72914 | GRIMES AEROSPACE COMPANY | | 3M33-3H2 | 76301 | THE BOEING COMPANY | | 3M33-3H2 | 80539 | SPS TECHNOLOGIES, LLC | | 3M33-3H2 | 83552 | RUSSELL BOLT MFG DIV NORRIS INDUSTRIES INC | | 3M33-3H2 | 89513 | GRIMES AEROSPACE CO | | 3M33-3H2 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M33-3H2 | 93907 | TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS |
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Techincal Specification:
| FASTENER LENGTH | 0.531 INCHES NOMINAL | | GRIP DIAMETER | 0.1889 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM | | GRIP LENGTH | 0.125 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HOLE DIAMETER | 0.046 INCHES NOMINAL | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.406 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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