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National Stock Number:
5306-01-379-8672
Federal Supply Class:
5306
National Item Identification Number:
013798672
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:
| BM3326-9-20 | 17419 | DEUTSCH CO THE | | ST3M571-9-20 | 06710 | VALLEY-TODECO, INC. | | ST3M571-9-20 | 06725 | SPS TECHNOLOGIES, LLC | | ST3M571-9-20 | 17446 | HUCK INTERNATIONAL, INC | | ST3M571-9-20 | 27624 | SPS TECHNOLOGIES LLC | | ST3M571-9-20 | 57928 | SONIC INDUSTRIES, INC. | | ST3M571-9-20 | 73197 | HI-SHEAR CORPORATION | | ST3M571-9-20 | 76301 | THE BOEING COMPANY | | ST3M571-9-20 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M571-9-20 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M571-9-20 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.849 INCHES NOMINAL | | FASTENER LENGTH | 1.236 INCHES MINIMUM AND | | 1.265 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 22000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.547 INCHES MINIMUM AND | | 0.567 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.627 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.928 INCHES MINIMUM AND | | 0.938 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.123 INCHES MINIMUM AND | | 0.143 INCHES MAXIMUM | | GRIP LENGTH | 0.401 INCHES NOMINAL | | GRIP DIAMETER | 0.5610 INCHES MINIMUM AND | | 0.5615 INCHES MAXIMUM |
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