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National Stock Number:
5306-00-043-0566
Federal Supply Class:
5306
National Item Identification Number:
000430566
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:
| AIC926-4-20 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30EK4-20C | 81205 | THE BOEING COMPANY | | BM90156-4-20 | 17446 | HUCK INTERNATIONAL, INC | | BM90156-4-20 | 97928 | HUCK INTL INC | | C878-4-20 | 81755 | LOCKHEED MARTIN CORPORATION | | EWSB926-4-20 | 56876 | ALTA PRODUCTS CO INC | | EWSB926-4-20 | 56878 | SPS TECHNOLOGIES, LLC | | EWSB926-4-20 | 80539 | SPS TECHNOLOGIES, LLC | | EWSB926-4A20 | 56878 | SPS TECHNOLOGIES, LLC | | EWSB926-4A20 | 80539 | SPS TECHNOLOGIES, LLC | | GB511A4-20A | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | VS2106C4S20 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.418 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 1.543 INCHES NOMINAL | | GRIP DIAMETER | 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM | | GRIP LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | HEAD HEIGHT | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.293 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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