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National Stock Number:
5306-00-833-8788
Federal Supply Class:
5306
National Item Identification Number:
008338788
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:
| 202-15520-8A26 | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | AIC220-8-26 | 06725 | SPS TECHNOLOGIES, LLC | | BM55132-8-26 | 17446 | HUCK INTERNATIONAL, INC | | BM55132-8-26 | 97928 | HUCK INTL INC | | C699-8-26 | 56878 | SPS TECHNOLOGIES, LLC | | C699-8-26 | 81755 | LOCKHEED MARTIN CORPORATION | | EWSB22-8-26 | 56878 | SPS TECHNOLOGIES, LLC | | EWSB22-8-26 | 80539 | SPS TECHNOLOGIES, LLC | | VS2521-8F26S | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS2521-8F26S | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.001 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 2.141 INCHES NOMINAL | | GRIP DIAMETER | 0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM | | GRIP LENGTH | 1.625 INCHES NOMINAL | | HEAD HEIGHT | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.516 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNJF |
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