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National Stock Number:
5306-00-206-9322
Federal Supply Class:
5306
National Item Identification Number:
002069322
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:
| 345122 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.040 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 5.310 INCHES NOMINAL | | GRIP DIAMETER | 0.7476 INCHES MINIMUM AND 0.7483 INCHES MAXIMUM | | GRIP LENGTH | 4.215 INCHES NOMINAL | | HEAD DIAMETER | 1.375 INCHES NOMINAL | | HEAD HEIGHT | 0.400 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP E4340 OVERALL | | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.138 INCHES MINIMUM AND 0.143 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 1.125 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM AND 0.905 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNF |
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