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National Stock Number:
5306-01-136-4485
Federal Supply Class:
5306
National Item Identification Number:
011364485
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:
| 11823-12D43 | 59563 | REID PRODUCTS INC. | | 122895-12D43 | 56878 | SPS TECHNOLOGIES, LLC | | AIC687-12D43 | 06725 | SPS TECHNOLOGIES, LLC | | PBF1265-12D43 | 27624 | SPS TECHNOLOGIES LLC | | MB154-12D43 | 73197 | HI-SHEAR CORPORATION | | 122895-12D43 | 80539 | SPS TECHNOLOGIES, LLC | | VCG0001-12D43 | 06710 | VALLEY-TODECO, INC. | | VS3174-12D43 | 5M902 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | ST3M744-12D43 | 76301 | THE BOEING COMPANY | | VS3174-12D43 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | S406-12D43 | 97928 | HUCK INTL INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.125 INCHES MINIMUM AND 3.155 INCHES MAXIMUM ALL HOLES | | FASTENER LENGTH | 3.250 INCHES MINIMUM AND 3.270 INCHES MAXIMUM | | GRIP DIAMETER | 0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM | | GRIP LENGTH | 2.678 INCHES MINIMUM AND 2.698 INCHES MAXIMUM | | HEAD HEIGHT | 0.400 INCHES NOMINAL | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | WIDTH BETWEEN FLATS | 1.099 INCHES MINIMUM AND 1.107 INCHES MAXIMUM | | 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 | 0.552 INCHES MINIMUM AND 0.592 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 16 |
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