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National Stock Number:
5306-01-337-3262
Federal Supply Class:
5306
National Item Identification Number:
013373262
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:
| 120978-6-9 | 80539 | SPS TECHNOLOGIES, LLC | | 5306-002-6-9 | S7549 | AIDC/AEROSPACE INDUSTRIAL DEVELOPMENT CORP. | | AIC596-6-9 | 06725 | SPS TECHNOLOGIES, LLC | | H411-6-9 | 17446 | HUCK INTERNATIONAL, INC | | PBF7521-6-9 | 27624 | SPS TECHNOLOGIES LLC | | H411-6-9 | 97928 | HUCK INTL INC | | VCG0030-6-9 | 06710 | VALLEY-TODECO, INC. | | VS3133-6-9 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 1.001 INCHES MINIMUM AND 1.031 INCHES MAXIMUM | | GRIP LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM | | GRIP DIAMETER | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM | | HEAD HEIGHT | 0.194 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.679 INCHES NOMINAL | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS-6487 (H11) ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | NOMINAL THREAD DIAMETER | 0.3750 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.454 INCHES MINIMUM AND 0.570 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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