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National Stock Number:
5306-01-445-3709
Federal Supply Class:
5306
National Item Identification Number:
014453709
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:
| BACB30US4K12 | Z03F0 | BOEING DEFENCE AUSTRALIA LTD | | BACB30US4K12 | Z8T75 | BOEING DEFENCE AUSTRALIA LTD | | BACB30US4K12H | 06710 | VALLEY-TODECO, INC. | | BACB30US4K12H | 06725 | SPS TECHNOLOGIES, LLC | | BACB30US4K12H | 17446 | HUCK INTERNATIONAL, INC | | BACB30US4K12H | 17943 | FEDERAL MANUFACTURING CORP | | BACB30US4K12H | 27624 | SPS TECHNOLOGIES LLC | | LE111-0067A3412 | 43999 | THE BOEING COMPANY | | BACB30US4K12H | 56878 | SPS TECHNOLOGIES, LLC | | BACB30US4K12H | 57928 | SONIC INDUSTRIES, INC. | | BACB30US4K12H | 81205 | THE BOEING COMPANY | | BACB30US4K12H | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30US4K12H | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | FASTENER LENGTH | 1.235 INCHES MINIMUM AND | | 1.265 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-85614 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | COLOR | BLACK THREADS | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | HEAD HEIGHT | 0.235 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND | | 0.313 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.465 INCHES MINIMUM AND | | 0.475 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.042 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON FLATS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.050 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | GRIP LENGTH | 0.740 INCHES MINIMUM AND | | 0.760 INCHES MAXIMUM | | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND | | 0.2495 INCHES MAXIMUM | | SPECIAL FEATURES | REQUESTED NAME -TENSION BOLT |
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