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National Stock Number:
5306-01-049-8186
Federal Supply Class:
5306
National Item Identification Number:
010498186
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:
| 51B464-8-63 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 51B464-8-63 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 51B464-8-63 | 0JV78 | J M PRECISION INC | | 51B464-8-63 | 0UCY9 | M.S. AEROSPACE INC. | | 51B464-8-63 | 27624 | SPS TECHNOLOGIES LLC | | 51B464-8-63 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 51B464-863 | 06725 | SPS TECHNOLOGIES, LLC | | 51B464-863 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 51B464-863 | 17446 | HUCK INTERNATIONAL, INC | | 51B464-863 | 73197 | HI-SHEAR CORPORATION | | 51B464-863 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 51B464-8-63 | 80539 | SPS TECHNOLOGIES, LLC | | 51B464-8-63 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 51B464-863 | 97928 | HUCK INTL INC | | 51B464-863 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.257 INCHES MINIMUM AND 4.298 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 4.380 INCHES MINIMUM AND 4.421 INCHES MAXIMUM | | GRIP DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM | | GRIP LENGTH | 3.927 INCHES MINIMUM AND 3.947 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.245 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 | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE | | SPECIFICATION/STANDARD DATA | 76823-51B464 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM AND CHROMATE OR CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.433 INCHES MINIMUM AND 0.494 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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