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National Stock Number:
5306-01-293-0001
Federal Supply Class:
5306
National Item Identification Number:
012930001
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:
| 10116208 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11823-8D33 | 59563 | REID PRODUCTS INC. | | AIC687-8D33 | 06725 | SPS TECHNOLOGIES, LLC | | MB154-8D33 | 73197 | HI-SHEAR CORPORATION | | 122895-8D33 | 80539 | SPS TECHNOLOGIES, LLC | | MB154-8D33 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VCG0001-8D33 | 06710 | VALLEY-TODECO, INC. | | S406-8D33 | 17446 | HUCK INTERNATIONAL, INC | | PBF1265-8D33 | 27624 | SPS TECHNOLOGIES LLC | | ST3M744-8D33 | 76301 | THE BOEING COMPANY | | VS3174-8D33 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | S406-8D33 | 97928 | HUCK INTL INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.381 INCHES MINIMUM AND 2.411 INCHES MAXIMUM ALL HOLES | | FASTENER LENGTH | 2.506 INCHES MINIMUM AND 2.526 INCHES MAXIMUM | | GRIP DIAMETER | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM | | GRIP LENGTH | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM | | HEAD HEIGHT | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.774 INCHES MINIMUM AND 0.782 INCHES MAXIMUM | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM ALL HOLES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.434 INCHES MINIMUM AND 0.474 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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