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National Stock Number:
5306-01-240-8907
Federal Supply Class:
5306
National Item Identification Number:
012408907
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:
| 79894D8-34 | 56878 | SPS TECHNOLOGIES, LLC | | AIC558-8-34 | 06725 | SPS TECHNOLOGIES, LLC | | BM17035-8-34A | 17446 | HUCK INTERNATIONAL, INC | | H408F8-34 | 17446 | HUCK INTERNATIONAL, INC | | GB511EB8-34 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | BM17035-8-34A | 97928 | HUCK INTL INC | | VCD000-4-8-F34 | 06710 | VALLEY-TODECO, INC. | | VCD004-8-F34 | 06710 | VALLEY-TODECO, INC. | | PBF1290-8-34 | 27624 | SPS TECHNOLOGIES LLC | | PBF1290-8-34 | 56878 | SPS TECHNOLOGIES, LLC | | VS3244F-8-34 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | H408F8-34 | 97928 | HUCK INTL 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 | 0.617 INCHES MINIMUM AND | | 0.664 INCHES MAXIMUM | | FASTENER LENGTH | 2.742 INCHES MINIMUM AND | | 2.789 INCHES MAXIMUM | | MATERIAL | STEEL COMP H11 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OR | | MIL-C-8837 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND | | 50.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON | | HEAD HEIGHT | 0.271 INCHES MINIMUM AND | | 0.291 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND | | 0.752 INCHES MAXIMUM | | GRIP LENGTH | 2.125 INCHES NOMINAL | | GRIP DIAMETER | 0.4982 INCHES MINIMUM AND | | 0.4991 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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