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National Stock Number:
5306-01-056-1493
Federal Supply Class:
5306
National Item Identification Number:
010561493
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| BACB30MT5T20 | 06710 | VALLEY-TODECO, INC. | | BACB30MT5T20 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30MT5T20 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30MT5T20 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30MT5T20 | 27624 | SPS TECHNOLOGIES LLC | | BACB30MT5T20 | 56878 | SPS TECHNOLOGIES, LLC | | EWB22-5-20 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30MT5T20 | 81205 | THE BOEING COMPANY | | BACB30MT5T20 | 9N513 | VOI-SHAN/CHATSWORTH DIV OF VSI CORP SUB OF FAIRCHILD INDUSTRIES INC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | FASTENER LENGTH | 1.828 INCHES MINIMUM AND 1.858 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | HEAD HEIGHT | 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIFICATION/STANDARD DATA | 81205-BACB30MT PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | SURFACE TREATMENT | NICKEL AND CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.568 INCHES MINIMUM AND 0.618 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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