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National Stock Number:
5306-01-600-4197
Federal Supply Class:
5306
National Item Identification Number:
016004197
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:
| 11857E4D15A | 59563 | REID PRODUCTS INC. | | 11875E4D15A | 59563 | REID PRODUCTS INC. | | 3M1275E4S15A | 06710 | VALLEY-TODECO, INC. | | 3M1275E4S15A | 0K6Z0 | SATURN FASTENERS INC | | 3M1275E4D15A | 1EM77 | B & B SPECIALTIES INC | | 3M1275E4D15A | 76301 | THE BOEING COMPANY | | TX1026E4D15A | 06725 | SPS TECHNOLOGIES, LLC | | TX1026E4D15A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M1275E4S15A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1026E4D15A | 17446 | HUCK INTERNATIONAL, INC | | 3M1275E4S15A | 1EM77 | B & B SPECIALTIES INC | | 3M1275E4S15A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1275E4S15A | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | 3M1275E4S15A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | TX1026E4D15A | 21624 | ARMY, UNITED STATES DEPARTMENT OF THE | | TX1026E4D15A | 56878 | SPS TECHNOLOGIES, LLC | | WC1275E4D15A | 60516 | WEST COAST AEROSPACE, INC. | | TX1026E4D15A | 73197 | HI-SHEAR CORPORATION | | TX1026E4D15A | 80539 | SPS TECHNOLOGIES, LLC | | TX1026E4D15A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026E4D15A | 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 | 1.3625 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS-5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.4970 INCHES MINIMUM AND | | 0.5066 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | GRIP LENGTH | 0.9375 INCHES NOMINAL | | GRIP DIAMETER | 0.2646 INCHES MINIMUM AND | | 0.2651 INCHES MAXIMUM |
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