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National Stock Number:
5306-01-581-6513
Federal Supply Class:
5306
National Item Identification Number:
015816513
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:
| BACB30LJ8CD20 | 81205 | THE BOEING COMPANY |
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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 | 0.536 INCHES MINIMUM AND | | 0.546 INCHES MAXIMUM | | FASTENER LENGTH | 2.026 INCHES MINIMUM AND | | 2.071 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMSQQ-C-320, CL 2 ASSN STD SINGLE TREATMENT RESPONSE AND | | AMS 2700, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH | | HEAD STYLE | DISHED HEXAGON | | HEAD HEIGHT | 0.250 INCHES MINIMUM AND | | 0.265 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND | | 0.752 INCHES MAXIMUM | | GRIP LENGTH | 1.240 INCHES MINIMUM AND | | 1.260 INCHES MAXIMUM | | GRIP DIAMETER | 0.4925 INCHES MINIMUM AND | | 0.4990 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | SPECIAL FEATURES | DRILLED SHANK WITH NOMINAL HOLE DIAMETER OF 0.106 INCHES, CENTERED 0.216 INCHES FROM THREADED END | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, HEX HEAD, 95 KSI SHEAR, SHORT THREAD, A286, NONLOCKING |
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