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National Stock Number:
5306-01-452-8748
Federal Supply Class:
5306
National Item Identification Number:
014528748
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:
| BACB30US22-74 | 06710 | VALLEY-TODECO, INC. | | BACB30US22-74 | 16258 | SPACE-LOK, INC. | | BACB30US22-74 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30US22-74 | 57928 | SONIC INDUSTRIES, INC. | | BACB30US22-74 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 1.842 INCHES MINIMUM AND 1.888 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.325 INCHES MINIMUM AND 0.345 INCHES MAXIMUM | | FASTENER LENGTH | 6.891 INCHES MINIMUM AND 6.921 INCHES MAXIMUM | | GRIP DIAMETER | 1.3725 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM | | GRIP LENGTH | 4.615 INCHES MINIMUM AND 4.635 INCHES MAXIMUM | | HEAD HEIGHT | 1.425 INCHES MINIMUM AND 1.445 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.375 INCHES | | WIDTH BETWEEN FLATS | 1.842 INCHES MINIMUM AND 1.888 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.281 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNJF |
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