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National Stock Number:
5306-01-049-0637
Federal Supply Class:
5306
National Item Identification Number:
010490637
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:
| BAC306E5-21 | 06710 | VALLEY-TODECO, INC. | | BAC306E5-21 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30LE5-21 | 17446 | HUCK INTERNATIONAL, INC | | BAC306E5-21 | 27624 | SPS TECHNOLOGIES LLC | | BAC306E5-21 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30LE5-21 | 81205 | THE BOEING COMPANY | | BACB30LE5-21 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LE5-21 | 97928 | HUCK INTL INC |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM | | FASTENER LENGTH | 1.890 INCHES MINIMUM AND 1.920 INCHES MAXIMUM | | GRIP LENGTH | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | HEAD HEIGHT | 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | IRON ALLOY 660 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIFICATION/STANDARD DATA | 81205-BACS12LE PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.568 INCHES MINIMUM AND 0.618 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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