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National Stock Number:
5306-01-191-7482
Federal Supply Class:
5306
National Item Identification Number:
011917482
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:
| 74328-8H25 | 56878 | SPS TECHNOLOGIES, LLC | | 74328-8H25 | 80539 | SPS TECHNOLOGIES, LLC | | AIC752-8H25 | 06725 | SPS TECHNOLOGIES, LLC | | BM3326-8H25 | 17446 | HUCK INTERNATIONAL, INC | | MB3326-8H25 | 17446 | HUCK INTERNATIONAL, INC | | BM3326-8H25 | 97928 | HUCK INTL INC | | ST3M571-8H25 | 0JV78 | J M PRECISION INC | | S371-8H25 | 17446 | HUCK INTERNATIONAL, INC | | ST3M571-8H25 | 27624 | SPS TECHNOLOGIES LLC | | S11-1059-8H25 | 57928 | SONIC INDUSTRIES, INC. | | MB84-8H25 | 73197 | HI-SHEAR CORPORATION | | MB3326-8H25 | 97928 | HUCK INTL INC | | S371-8H25 | 97928 | HUCK INTL INC | | MB84-8H25 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VAL23033-8H25 | 06710 | VALLEY-TODECO, INC. | | VS3060-8H25 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M571-8H25 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M571-8H25 | 76301 | THE BOEING COMPANY | | ST3M571-8H25 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3060-8H25 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.742 INCHES MINIMUM AND | | 0.792 INCHES MAXIMUM | | FASTENER LENGTH | 2.314 INCHES MINIMUM AND | | 2.344 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.494 INCHES MINIMUM AND | | 0.514 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND | | 0.574 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.818 INCHES MINIMUM AND | | 0.828 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.113 INCHES MINIMUM AND | | 0.133 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.050 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | GRIP LENGTH | 1.552 INCHES MINIMUM AND | | 1.572 INCHES MAXIMUM | | GRIP DIAMETER | 0.4990 INCHES MINIMUM AND | | 0.4995 INCHES MAXIMUM |
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