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National Stock Number:
5306-01-611-8748
Federal Supply Class:
5306
National Item Identification Number:
016118748
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:
| 3D0028-10-43 | 88277 | THE BOEING COMPANY | | 872-10-43 | 06725 | SPS TECHNOLOGIES, LLC | | PBF1593-10-43 | 27624 | SPS TECHNOLOGIES LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.6250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.981 INCHES NOMINAL | | FASTENER LENGTH | 3.6685 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | SPLINE EXTENDED WASHER | | HEAD HEIGHT | 0.562 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 1.153 INCHES MINIMUM AND | | 1.163 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.080 INCHES MINIMUM AND | | 0.100 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.673 INCHES MINIMUM AND | | 0.688 INCHES MAXIMUM | | GRIP LENGTH | 2.6875 INCHES NOMINAL | | GRIP DIAMETER | 0.6230 INCHES MINIMUM AND | | 0.6240 INCHES MAXIMUM |
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