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National Stock Number:
5306-01-509-2005
Federal Supply Class:
5306
National Item Identification Number:
015092005
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:
| BACB30US8P21MX | 06710 | VALLEY-TODECO, INC. | | BACB30US8P21MX | 06725 | SPS TECHNOLOGIES, LLC | | BACB30US8P21MX | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30US8P21MX | 17943 | FEDERAL MANUFACTURING CORP | | BACB30US8P21MX | 27624 | SPS TECHNOLOGIES LLC | | BACB30US8P21MX | 56878 | SPS TECHNOLOGIES, LLC | | BACB30US8P21X | 06275 | ALLEN R C INSTRUMENTS INC | | BACB30US8P21MX | 57928 | SONIC INDUSTRIES, INC. | | BACB30US8P21MX | 5M902 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | BACB30US8P21MX | 81205 | THE BOEING COMPANY |
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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 | 0.813 INCHES NOMINAL | | FASTENER LENGTH | 2.207 INCHES MINIMUM AND | | 2.237 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | SPLINE EXTENDED WASHER | | HEAD HEIGHT | 0.420 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.637 INCHES MINIMUM AND | | 0.651 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.113 INCHES MINIMUM AND | | 0.133 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.637 INCHES MINIMUM AND | | 0.651 INCHES MAXIMUM | | GRIP LENGTH | 1.302 INCHES MINIMUM AND | | 1.322 INCHES MAXIMUM | | GRIP DIAMETER | 0.5135 INCHES MINIMUM AND | | 0.5141 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,12 POINT HEAD,220 KSI MIN TRNSILE 125 MIN SHEAR,NICKEL ALLOY 718 (.0156 OVERSIZE) |
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