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National Stock Number:
5306-01-434-6738
Federal Supply Class:
5306
National Item Identification Number:
014346738
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:
| BACB30US7K34 | 06710 | VALLEY-TODECO, INC. | | BACB30US7K34 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30US7K34 | 17446 | HUCK INTERNATIONAL, INC | | BACB30US7K34 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30US7K34 | 27624 | SPS TECHNOLOGIES LLC | | BACB30US7K34 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30US7K34 | 57928 | SONIC INDUSTRIES, INC. | | BACB30US7K34 | 5M902 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | BACB30US7K34 | 81205 | THE BOEING COMPANY | | BACB30US7K34 | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.4375 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.733 INCHES NOMINAL | | FASTENER LENGTH | 2.843 INCHES MINIMUM AND | | 2.873 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 | BMS 10-85, TYPE 1, CAGE 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.561 INCHES MINIMUM AND | | 0.580 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.089 INCHES MINIMUM AND | | 0.109 INCHES MAXIMUM | | GRIP LENGTH | 2.115 INCHES MINIMUM AND | | 2.135 INCHES MAXIMUM | | GRIP DIAMETER | 0.4360 INCHES MINIMUM AND | | 0.4370 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.621 INCHES MINIMUM AND | | 2.641 INCHES MAXIMUM THREADS | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND | | 0.116 INCHES MAXIMUM THREADS | | SPECIAL FEATURES | IDENTIFY WITH BLACK PAINT OR DYE ON THREAD END |
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