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National Stock Number:
5306-00-143-2781
Federal Supply Class:
5306
National Item Identification Number:
001432781
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:
| AIC926-6-25 | 06725 | SPS TECHNOLOGIES, LLC | | C878-6-25 | 06725 | SPS TECHNOLOGIES, LLC | | C878-6-25 | 56878 | SPS TECHNOLOGIES, LLC | | EWSB926-6-25 | 56878 | SPS TECHNOLOGIES, LLC | | EWSB926-6-25 | 80539 | SPS TECHNOLOGIES, LLC | | C878-6-25 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.394 INCHES MINIMUM AND | | 0.461 INCHES MAXIMUM | | FASTENER LENGTH | 1.966 INCHES MINIMUM AND | | 2.013 INCHES MAXIMUM | | MATERIAL | STEEL COMP H11 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | NICKEL AND | | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL | | HARDNESS RATING | 51.0 ROCKWELL C MINIMUM AND | | 54.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON | | HEAD HEIGHT | 0.200 INCHES MINIMUM AND | | 0.220 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND | | 0.564 INCHES MAXIMUM | | GRIP LENGTH | 1.552 INCHES MINIMUM AND | | 1.572 INCHES MAXIMUM | | GRIP DIAMETER | 0.3733 INCHES MINIMUM AND | | 0.3742 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.838 INCHES MINIMUM AND | | 1.858 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
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