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National Stock Number:
5306-01-043-1870
Federal Supply Class:
5306
National Item Identification Number:
010431870
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:
| A1C516B12D27 | 06725 | SPS TECHNOLOGIES, LLC | | AIC516B12D27 | 06725 | SPS TECHNOLOGIES, LLC | | BM17020-12-27 | 17446 | HUCK INTERNATIONAL, INC | | EWSB22D12-27 | 56878 | SPS TECHNOLOGIES, LLC | | EWSB22D12-27 | 80539 | SPS TECHNOLOGIES, LLC | | BM17020-12-27 | 97928 | HUCK INTL INC | | VAL22034-12F27 | 06710 | VALLEY-TODECO, INC. | | VAL22034-12G27 | 06710 | VALLEY-TODECO, INC. | | VS3071-12F27D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | H401-12D27 | 17446 | HUCK INTERNATIONAL, INC | | GB511B12D27 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | VS3071-12F27D | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | H401-12D27 | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.826 INCHES MINIMUM AND | | 0.893 INCHES MAXIMUM | | MATERIAL | STEEL COMP H11 OVERALL | | SURFACE TREATMENT | CADMIUM 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 | 0.390 INCHES MINIMUM AND | | 0.410 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND | | 1.064 INCHES MAXIMUM | | GRIP LENGTH | 1.678 INCHES MINIMUM AND | | 1.698 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.396 INCHES MINIMUM AND | | 2.428 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.136 INCHES MINIMUM AND | | 0.146 INCHES MAXIMUM FIRST HOLE | | SPECIFICATION/STANDARD DATA | 85495-BM17020 MANUFACTURERS STANDARD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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