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National Stock Number:
5306-00-358-9428
Federal Supply Class:
5306
National Item Identification Number:
003589428
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:
| RS000195-003-00 | 02602 | AEROJET ROCKETDYNE OF DE, INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.930 INCHES MINIMUM AND | | 0.950 INCHES MAXIMUM | | FASTENER LENGTH | 1.430 INCHES NOMINAL | | MATERIAL | TITANIUM ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928,COMP 6AL-4V,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD HEIGHT | 0.470 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.365 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.600 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.120 INCHES NOMINAL | | GRIP LENGTH | 0.480 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | GRIP DIAMETER | 0.4980 INCHES MINIMUM AND | | 0.4990 INCHES MAXIMUM | | SPECIAL FEATURES | DESIGN ANALYSIS; NUCLEAR HARDNESS CRITICAL | | CRITICALITY CODE JUSTIFICATION | FEAT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 02602 | | DESIGN CONTROL REFERENCE | RS000195-003-00 |
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