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National Stock Number:
5306-01-625-0836
Federal Supply Class:
5306
National Item Identification Number:
016250836
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:
| ST3M571-5D15 | 06710 | VALLEY-TODECO, INC. | | ST3M571-5D15 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M571-5D15 | 17446 | HUCK INTERNATIONAL, INC | | ST3M571-5D15 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M571-5D15 | 57928 | SONIC INDUSTRIES, INC. | | ST3M571-5D15 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M571-5D15 | 73197 | HI-SHEAR CORPORATION | | ST3M571-5D15 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | THREAD QUANTITY PER INCH | M24 | | THREAD CLASS | Q3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.551 INCHES NOMINAL | | FASTENER LENGTH | 1.489 INCHES NOMINAL | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700 METHOD 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 220 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.348 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.376 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.526 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.082 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.215 INCHES NOMINAL | | GRIP LENGTH | 0.938 INCHES NOMINAL | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-CLOSE TOLERANCE, 12 PT, FLANGE HEAD, 220 KSI FTU CRES |
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