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National Stock Number:
5306-00-283-7473
Federal Supply Class:
5306
National Item Identification Number:
002837473
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:
| 74328-5D42 | 56878 | SPS TECHNOLOGIES, LLC | | AIC752-5D42 | 06725 | SPS TECHNOLOGIES, LLC | | BM3326-5D42 | 17446 | HUCK INTERNATIONAL, INC | | GS1030-5D42 | 1EM77 | B & B SPECIALTIES INC | | MB84-5D42 | 73197 | HI-SHEAR CORPORATION | | BM3326-5D42 | 97928 | HUCK INTL INC | | ST3M571-5D42 | 0JV78 | J M PRECISION INC | | ST3M571-5D42 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M571-5D42 | 17446 | HUCK INTERNATIONAL, INC | | S371-5D42 | 17446 | HUCK INTERNATIONAL, INC | | ST3M571-5D42 | 27624 | SPS TECHNOLOGIES LLC | | S11-1059-5D42 | 57928 | SONIC INDUSTRIES, INC. | | ST3M571-5D42 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | S371-5D42 | 97928 | HUCK INTL INC | | VAL23033-5D42 | 06710 | VALLEY-TODECO, INC. | | VS3060-5D42 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M571-5D42 | 76301 | THE BOEING COMPANY | | ST3M571-5D42 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M571-5D42 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3060-5D42 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M571-5D42 | 97928 | HUCK INTL INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.943 INCHES MINIMUM AND 3.003 INCHES MAXIMUM FIRST HOLE | | EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM | | FASTENER LENGTH | 3.151 INCHES MINIMUM AND 3.201 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM | | HEAD HEIGHT | 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | SPECIFICATION/STANDARD DATA | 76301-ST3-571 MANUFACTURERS STANDARD | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.516 INCHES MINIMUM AND 0.586 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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