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National Stock Number: 5306-01-327-5177
Federal Supply Class: 5306
National Item Identification Number: 013275177
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:
BACB30MT16T91 | 06710 | VALLEY-TODECO, INC. | BACB30MT16T91 | 06725 | SPS TECHNOLOGIES, LLC | BACB30MT16T91 | 17419 | DEUTSCH CO THE | BACB30MT16T91 | 17446 | HUCK INTERNATIONAL, INC | BACB30MT16T91 | 17943 | FEDERAL MANUFACTURING CORP | BACB30MT16T91 | 27624 | SPS TECHNOLOGIES LLC | BACB30MT16T91 | 56878 | SPS TECHNOLOGIES, LLC | BACB30MT16T91 | 81205 | THE BOEING COMPANY | BACB30MT16T91 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | BACB30MT16T91 | 97928 | HUCK INTL INC |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNJF | NOMINAL THREAD DIAMETER | 1.000 INCHES | THREAD QUANTITY PER INCH | 12 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.523 INCHES NOMINAL | FASTENER LENGTH | 7.195 INCHES MINIMUM AND | | 7.225 INCHES MAXIMUM | MATERIAL | STEEL COMP H11 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | NICKEL AND | | CADMIUM AND | | CHROMATE OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND | | 49.0 ROCKWELL C MAXIMUM OVERALL | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | HEAD STYLE | DOUBLE HEXAGON W/HOLE | HEAD HEIGHT | 0.913 INCHES MINIMUM AND | | 0.933 INCHES MAXIMUM | WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND | | 1.064 INCHES MAXIMUM | EXTENDED WASHER DIAMETER | 1.615 INCHES MINIMUM AND | | 1.625 INCHES MAXIMUM | EXTENDED WASHER THICKNESS | 0.212 INCHES MINIMUM AND | | 0.232 INCHES MAXIMUM | GRIP LENGTH | 5.677 INCHES MINIMUM AND | | 5.697 INCHES MAXIMUM | GRIP DIAMETER | 0.9980 INCHES MINIMUM AND | | 0.9990 INCHES MAXIMUM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS |
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