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National Stock Number:
5306-01-453-3603
Federal Supply Class:
5306
National Item Identification Number:
014533603
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:
| 11829L4H21 | 59563 | REID PRODUCTS INC. | | ST3M753L4H21 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.036 INCHES NOMINAL | | FASTENER LENGTH | 1.780 INCHES MAXIMUM | | GRIP DIAMETER | 0.249 INCHES NOMINAL | | GRIP LENGTH | 1.312 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.297 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD STYLE | SPLINE EXTENDED WASHER | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.468 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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