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National Stock Number:
5306-01-016-7528
Federal Supply Class:
5306
National Item Identification Number:
010167528
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:
| 73992-6D30 | 56878 | SPS TECHNOLOGIES, LLC | | AIC244-6D30 | 06725 | SPS TECHNOLOGIES, LLC | | BM17028-6-30D | 17446 | HUCK INTERNATIONAL, INC | | BM17028-6-30D | 97928 | HUCK INTL INC | | MB13-6D30 | 73197 | HI-SHEAR CORPORATION | | MB13-6D30 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | MB13-6D30 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | MB13-6D30 | R1120 | SATAIR A/S | | ST3M561-6D30 | 1JX19 | INDIAN AEROSPACE, INC. | | ST3M561-6D30 | 27624 | SPS TECHNOLOGIES LLC | | ST3M561-6D30 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M561-6D30 | 76301 | THE BOEING COMPANY | | ST3M561-6D30 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.134 INCHES MINIMUM AND 2.191 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 2.259 INCHES MINIMUM AND 2.306 INCHES MAXIMUM | | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM | | GRIP LENGTH | 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM | | HEAD HEIGHT | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE | | SPECIFICATION/STANDARD DATA | 08524-B-17028 MANUFACTURERS STANDARD | | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MACP.S.13145,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.374 INCHES MINIMUM AND 0.441 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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