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National Stock Number:
5306-01-286-8472
Federal Supply Class:
5306
National Item Identification Number:
012868472
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:
| 10116202 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 122896-9D45 | 80539 | SPS TECHNOLOGIES, LLC | | AIC688-9D45 | 06725 | SPS TECHNOLOGIES, LLC | | PBF 1266-9D45 | 27624 | SPS TECHNOLOGIES LLC | | MB155-9D45 | 73197 | HI-SHEAR CORPORATION | | MB155-9D45 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M747-9D45 | 0PTK6 | SPS TECHNOLOGIES INC | | ST3M747-9D45 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M747-9D45 | 17446 | HUCK INTERNATIONAL, INC | | S397-9D45 | 17446 | HUCK INTERNATIONAL, INC | | ST3M747-9D45 | 56839 | P.S. MACHINE COMPANY, INC. | | ST3M747-9D45 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M747-9D45 | 76301 | THE BOEING COMPANY | | S397-9D45 | 97928 | HUCK INTL INC | | VCG0002-9D45 | 06710 | VALLEY-TODECO, INC. | | VS3191-9D45 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3191-9D45 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.413 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 3.521 INCHES MINIMUM AND 3.568 INCHES MAXIMUM | | GRIP DIAMETER | 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM | | GRIP LENGTH | 2.802 INCHES MINIMUM AND 2.822 INCHES MAXIMUM | | HEAD HEIGHT | 0.328 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.908 INCHES NOMINAL | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.725 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 18 |
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