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National Stock Number:
5306-01-437-6560
Federal Supply Class:
5306
National Item Identification Number:
014376560
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:
| 3408-6-34 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3D0013-6-34 | 88277 | THE BOEING COMPANY | | VCG0027-6-34 | 06710 | VALLEY-TODECO, INC. | | AIC871-6-34 | 06725 | SPS TECHNOLOGIES, LLC | | PBF1535-6-34 | 27624 | SPS TECHNOLOGIES LLC | | 80994-6-34 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 3A | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.786 INCHES MAXIMUM | | FASTENER LENGTH | 2.896 INCHES MINIMUM AND | | 2.926 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | SPLINE EXTENDED WASHER | | HEAD HEIGHT | 0.337 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.691 INCHES MINIMUM AND | | 0.701 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.054 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.423 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | GRIP LENGTH | 2.115 INCHES MINIMUM AND | | 2.135 INCHES MAXIMUM | | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND | | 0.3745 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP |
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