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National Stock Number:
5306-01-308-2744
Federal Supply Class:
5306
National Item Identification Number:
013082744
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:
| SS5211-8B16 | 06725 | SPS TECHNOLOGIES, LLC | | SS5211-8B16 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | SS5211-8B16 | 0UCY9 | M.S. AEROSPACE INC. | | SS5211-8B16 | 27624 | SPS TECHNOLOGIES LLC | | SS5211-8B16 | 2V343 | APEX MANUFACTURING COMPANY, INC. | | SS5211-8B16 | 4GP55 | ACUFAST AIRCRAFT PRODUCTS | | SS5211-8B16 | 50945 | MERCURY AEROSPACE FASTENERS INC | | SS5211-8B16 | 56878 | SPS TECHNOLOGIES, LLC | | SS5211-8B16 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | SS5211-8B16 | 84256 | AVIBANK MFG., INC. | | SS5211-8B16 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS 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 | 0.816 INCHES MINIMUM AND | | 0.866 INCHES MAXIMUM | | FASTENER LENGTH | 1.826 INCHES MINIMUM AND | | 1.856 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | COLOR | BLACK OVERALL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.494 INCHES MINIMUM AND | | 0.514 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.5625 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.818 INCHES MINIMUM AND | | 0.828 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.113 INCHES MINIMUM AND | | 0.133 INCHES MAXIMUM | | GRIP LENGTH | 0.990 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | GRIP DIAMETER | 0.4985 INCHES MINIMUM AND | | 0.4995 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP |
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