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National Stock Number:
5306-01-078-5977
Federal Supply Class:
5306
National Item Identification Number:
010785977
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:
| 109453-5D15 | 56878 | SPS TECHNOLOGIES, LLC | | 109453-5D15 | 80539 | SPS TECHNOLOGIES, LLC | | 11825-5D15 | 59563 | REID PRODUCTS INC. | | AIC753-5D15 | 06725 | SPS TECHNOLOGIES, LLC | | BM17019-5D15 | 17446 | HUCK INTERNATIONAL, INC | | BM17019-5D15 | 97928 | HUCK INTL INC | | FIT7047-5D15 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | GS1016-5D15 | 1EM77 | B & B SPECIALTIES INC | | HP5453-5D15 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | MB61-5D15 | 73197 | HI-SHEAR CORPORATION | | MB61-5D15 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1253-5D15 | 27624 | SPS TECHNOLOGIES LLC | | S11-1060-5D15 | 57928 | SONIC INDUSTRIES, INC. | | S353-5D15 | 17446 | HUCK INTERNATIONAL, INC | | S353-5D15 | 97928 | HUCK INTL INC | | ST3M453-5D15 | 76301 | THE BOEING COMPANY | | VAL23029-5D15 | 06710 | VALLEY-TODECO, INC. | | VS3204-5D15 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3204-5D15 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.265 INCHES MINIMUM AND 1.322 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.389 INCHES MINIMUM AND 1.436 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM | | HEAD HEIGHT | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE | | SPECIFICATION/STANDARD DATA | 76301-ST3-453 MANUFACTURERS STANDARD | | WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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