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National Stock Number:
5306-00-026-2369
Federal Supply Class:
5306
National Item Identification Number:
000262369
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:
| 401-7-83 | 17446 | HUCK INTERNATIONAL, INC | | 401-7-83 | 97928 | HUCK INTL INC | | AIC516B7-83 | 06725 | SPS TECHNOLOGIES, LLC | | EW5B22D7-A83 | 56878 | SPS TECHNOLOGIES, LLC | | EWSB22-7A83 | 50392 | SPS TECHNOLOGIES INC | | EWSB22-7A83 | 56878 | SPS TECHNOLOGIES, LLC | | GB511B7-83 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | VS2521-7F83 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS2521-7F83 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 6.104 INCHES MINIMUM AND 6.151 INCHES MAXIMUM | | GRIP DIAMETER | 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM | | GRIP LENGTH | 5.178 INCHES MINIMUM AND 5.198 INCHES MAXIMUM | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.257 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SPECIFICATION/STANDARD DATA | 26512-GB511B MANUFACTURERS STANDARD | | WIDTH BETWEEN FLATS | 0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.906 INCHES MINIMUM AND 0.973 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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