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National Stock Number:
5306-00-298-2758
Federal Supply Class:
5306
National Item Identification Number:
002982758
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:
| 2541121 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.484 INCHES MINIMUM AND | | 0.531 INCHES MAXIMUM | | FASTENER LENGTH | 2.243 INCHES MINIMUM AND | | 2.296 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.938 INCHES NOMINAL | | GRIP LENGTH | 1.812 INCHES NOMINAL | | GRIP DIAMETER | 0.6234 INCHES MINIMUM AND | | 0.6240 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.125 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 88277 | | DESIGN CONTROL REFERENCE | 2541121 |
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