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National Stock Number:
5306-01-062-6840
Federal Supply Class:
5306
National Item Identification Number:
010626840
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:
| BACB30MT4T10 | 06710 | VALLEY-TODECO, INC. | | BACB30MT4T10 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30MT4T10 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30MT4T10 | 17446 | HUCK INTERNATIONAL, INC | | BACB30MT4T10 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30MT4T10 | 27624 | SPS TECHNOLOGIES LLC | | BACB30MT4T10 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30MT4T10 | 81205 | THE BOEING COMPANY | | BACB30MT4T10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30US4K10 | 4UBF3 | BROADWING AVIATION, LLC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM | | FASTENER LENGTH | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM | | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM | | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.264 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | SURFACE TREATMENT | NICKEL AND CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.475 INCHES MINIMUM AND 0.525 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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