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National Stock Number:
5306-01-169-7232
Federal Supply Class:
5306
National Item Identification Number:
011697232
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:
| 10116075 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 3M1046-10-22 | 27624 | SPS TECHNOLOGIES LLC | | PBF1426-10-22 | 27624 | SPS TECHNOLOGIES LLC | | 81921-10-22 | 56878 | SPS TECHNOLOGIES, LLC | | 3M1046-10-22 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.017 INCHES MINIMUM AND 2.074 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 2.271 INCHES MINIMUM AND 2.318 INCHES MAXIMUM | | GRIP DIAMETER | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM | | GRIP LENGTH | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM | | HEAD HEIGHT | 0.350 INCHES NOMINAL | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.074 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | SPLINE | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COBALT COMP MP-35-N OVERALL | | MINIMUM TENSILE STRENGTH | 145000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.970 INCHES MINIMUM AND 0.978 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 | 0.906 INCHES MINIMUM AND 0.933 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNJF |
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