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National Stock Number:
5306-01-183-5847
Federal Supply Class:
5306
National Item Identification Number:
011835847
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:
| BACB30LM4U27 | 06710 | VALLEY-TODECO, INC. | | BACB30LM4U27 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30LM4U27 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LM4U27 | 17446 | HUCK INTERNATIONAL, INC | | BACB30LM4U27 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30LM4U27 | 27624 | SPS TECHNOLOGIES LLC | | BACB30LM4U27 | 80539 | SPS TECHNOLOGIES, LLC | | BACB30LM4U27 | 81205 | THE BOEING COMPANY | | BACB30LM4U27 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LM4U27 | 97928 | HUCK INTL INC | | BACB30LM4U27 | 9N513 | VOI-SHAN/CHATSWORTH DIV OF VSI CORP SUB OF FAIRCHILD INDUSTRIES INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES MINIMUM AND | | 0.450 INCHES MAXIMUM | | FASTENER LENGTH | 2.098 INCHES MINIMUM AND | | 2.128 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | DISHED HEXAGON | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND | | 0.140 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | GRIP LENGTH | 1.678 INCHES MINIMUM AND | | 1.698 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND | | 0.2495 INCHES MAXIMUM |
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