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National Stock Number:
5306-01-598-0833
Federal Supply Class:
5306
National Item Identification Number:
015980833
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:
| 11857E4D10A | 59563 | REID PRODUCTS INC. | | 3M1275E4D10A | 06710 | VALLEY-TODECO, INC. | | 3M1275E4D10A | 0K6Z0 | SATURN FASTENERS INC | | 3M1275E4D10A | 1EM77 | B & B SPECIALTIES INC | | 3M1275E4D10A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1275E4D10A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | TX1026E4D10XA | 06725 | SPS TECHNOLOGIES, LLC | | TX1026E4D10XA | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026E4D10XA | 17446 | HUCK INTERNATIONAL, INC | | TX1026E4D10XA | 27624 | SPS TECHNOLOGIES LLC | | TX1026E4D10XA | 56878 | SPS TECHNOLOGIES, LLC | | TX1026E4D10XA | 73197 | HI-SHEAR CORPORATION | | 3M1275E4D10A | 76301 | THE BOEING COMPANY | | TX1026E4D10XA | 80539 | SPS TECHNOLOGIES, LLC | | TX1026E4D10XA | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026E4D10XA | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | UNJF-3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.425 INCHES NOMINAL | | FASTENER LENGTH | 1.050 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.502 INCHES NOMINAL | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | GRIP LENGTH | 0.625 INCHES NOMINAL | | GRIP DIAMETER | 0.265 INCHES NOMINAL |
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