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National Stock Number:
5306-01-623-1760
Federal Supply Class:
5306
National Item Identification Number:
016231760
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:
| MB84-10-50 | 73197 | HI-SHEAR CORPORATION | | ST3M571 | 76301 | THE BOEING COMPANY | | ST3M571-10-50 | 06710 | VALLEY-TODECO, INC. | | ST3M571-10-50 | 06725 | SPS TECHNOLOGIES, LLC | | ST3M571-10-50 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M571-10-50 | 0K6Z0 | SATURN FASTENERS INC | | ST3M571-10-50 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M571-10-50 | 16258 | SPACE-LOK, INC. | | ST3M571-10-50 | 17446 | HUCK INTERNATIONAL, INC | | ST3M571-10-50 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M571-10-50 | 27624 | SPS TECHNOLOGIES LLC | | ST3M571-10-50 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M571-10-50 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M571-10-50 | 59563 | REID PRODUCTS INC. | | ST3M571-10-50 | 76301 | THE BOEING COMPANY | | ST3M571-10-50 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M571-10-50 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.912 INCHES NOMINAL | | FASTENER LENGTH | 4.037 INCHES NOMINAL | | MATERIAL | STEEL COMP XM-13 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.608 INCHES MINIMUM AND | | 0.628 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.040 INCHES MINIMUM AND | | 1.050 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 1.040 INCHES MINIMUM AND | | 1.050 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.140 INCHES MINIMUM AND | | 0.160 INCHES MAXIMUM | | GRIP LENGTH | 3.125 INCHES NOMINAL | | GRIP DIAMETER | 0.623 INCHES MINIMUM AND | | 0.624 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT CLOSE TOLERANCE 12 POINT FLANGE HEAD |
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