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National Stock Number:
5306-01-135-5508
Federal Supply Class:
5306
National Item Identification Number:
011355508
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:
| 10115941 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 109453-7D15 | 56878 | SPS TECHNOLOGIES, LLC | | AIC753-7D15 | 06725 | SPS TECHNOLOGIES, LLC | | BM17019-7D15 | 17446 | HUCK INTERNATIONAL, INC | | 11825-7D15 | 59563 | REID PRODUCTS INC. | | 109453-7D15 | 80539 | SPS TECHNOLOGIES, LLC | | HP5453-7D15 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | GS1016-7D15 | 1EM77 | B & B SPECIALTIES INC | | MA5453-7D15 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | FIT7047-7D15 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | KS3020-7D15 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | | MB61-7D15 | 73197 | HI-SHEAR CORPORATION | | BM17019-7D15 | 97928 | HUCK INTL INC | | MB61-7D15 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VAL23029-7D15 | 06710 | VALLEY-TODECO, INC. | | VS3204-7D15 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M453-7D15 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | S353-7D15 | 17446 | HUCK INTERNATIONAL, INC | | ST3M453-7D15 | 17449 | M P PUMPS INC | | PBF1253-7D15 | 27624 | SPS TECHNOLOGIES LLC | | S11-1060-7D15 | 57928 | SONIC INDUSTRIES, INC. | | ST3M453-7D15 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M453-7D15 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | | ST3M453-7D15 | 76301 | THE BOEING COMPANY | | VS3204-7D15 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | S353-7D15 | 97928 | HUCK INTL INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.400 INCHES MINIMUM AND 1.457 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.521 INCHES MINIMUM AND 1.568 INCHES MAXIMUM | | GRIP DIAMETER | 0.4365 INCHES MINIMUM AND 0.4670 INCHES MAXIMUM | | GRIP LENGTH | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM | | HEAD HEIGHT | 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.573 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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