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National Stock Number:
5306-01-449-4456
Federal Supply Class:
5306
National Item Identification Number:
014494456
Description:
BOLT,CLOSE TOLERANCE
Detail:
An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.
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Manufacturer Information:
| 109453-10D34 | 56878 | SPS TECHNOLOGIES, LLC | | 109453-10D34 | 80539 | SPS TECHNOLOGIES, LLC | | 11825-10D34 | 59563 | REID PRODUCTS INC. | | BM17019-10D34 | 17446 | HUCK INTERNATIONAL, INC | | GS1016-10D34 | 1EM77 | B & B SPECIALTIES INC | | HP5453-10D34 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | MB61-10D34 | 73197 | HI-SHEAR CORPORATION | | MB61-10D34 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | SLB252-10D34 | 16258 | SPACE-LOK, INC. | | ST3M453-10D34 | 007R1 | TWIST TITE MFG, INC | | ST3M453-10D34 | 06710 | VALLEY-TODECO, INC. | | ST3M453-10D34 | 06725 | SPS TECHNOLOGIES, LLC | | ST3M453-10D34 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M453-10D34 | 27624 | SPS TECHNOLOGIES LLC | | ST3M453-10D34 | 57928 | SONIC INDUSTRIES, INC. | | ST3M453-10D34 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M453-10D34 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | | ST3M453-10D34 | 76301 | THE BOEING COMPANY | | ST3M453-10D34 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3204-10D34 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | WC453-10D34 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.877 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 2.886 INCHES MINIMUM AND 2.933 INCHES MAXIMUM | | GRIP DIAMETER | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM | | GRIP LENGTH | 2.109 INCHES MINIMUM AND 2.933 INCHES MAXIMUM | | HEAD HEIGHT | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM | | HEAD STYLE | UNDERCUT HEXAGON | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.161 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.940 INCHES MINIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.777 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNJF |
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