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National Stock Number:
5306-01-047-9432
Federal Supply Class:
5306
National Item Identification Number:
010479432
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:
| 20-057-8-34D | 06725 | SPS TECHNOLOGIES, LLC | | 20-057-8-34D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 20-057-8-34D | 0K6Z0 | SATURN FASTENERS INC | | 20-057-8-34D | 0PTK6 | SPS TECHNOLOGIES INC | | 20-057-8-34D | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 20-057-8-34D | 17446 | HUCK INTERNATIONAL, INC | | 20-057-8-34D | 1EM77 | B & B SPECIALTIES INC | | 20-057-8-34D | 27624 | SPS TECHNOLOGIES LLC | | 20-057-8-34D | 56878 | SPS TECHNOLOGIES, LLC | | 20-057-8-34D | 62384 | LFC INDUSTRIES INC. | | 20-057-8-34D | 64728 | AEROSPACE RIVET MFRS CORP | | 20-057-8-34D | 80539 | SPS TECHNOLOGIES, LLC | | 20-057-8-34D | 97499 | BELL TEXTRON INC | | 20-057-8-34D | 97928 | HUCK INTL INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.619 INCHES MINIMUM AND 2.669 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 2.845 INCHES MINIMUM AND 2.875 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM | | GRIP LENGTH | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 63.0 MICROINCHES GRIP | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.710 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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