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National Stock Number:
5306-01-146-9895
Federal Supply Class:
5306
National Item Identification Number:
011469895
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:
| BACB30NX5-4 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30NX5-4 | 17446 | HUCK INTERNATIONAL, INC | | BACB30NX5-4 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30NX5-4 | 73197 | HI-SHEAR CORPORATION | | BACB30NX5-4 | 80539 | SPS TECHNOLOGIES, LLC | | BACB30NX5-4 | 81205 | THE BOEING COMPANY | | BACB30NX5-4 | 97928 | HUCK INTL INC | | BACB30NX5-4 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM | | GRIP DIAMETER | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM | | GRIP LENGTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM | | HEAD HEIGHT | 0.055 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | MATERIAL | TITANIUM ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPECIAL FEATURES | HOLE IN THREADED END 0.115 IN. DP | | THREAD CLASS | 2A | | THREAD LENGTH | 0.312 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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