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National Stock Number:
5306-01-188-9633
Federal Supply Class:
5306
National Item Identification Number:
011889633
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:
| LD111-0026-0619 | 06710 | VALLEY-TODECO, INC. | | LD111-0026-0619 | 06725 | SPS TECHNOLOGIES, LLC | | LD111-0026-0619 | 17446 | HUCK INTERNATIONAL, INC | | LD111-0026-0619 | 23899 | J.W. MANUFACTURING, INC | | LD111-0026-0619 | 43999 | THE BOEING COMPANY | | LD111-0026-0619 | 56878 | SPS TECHNOLOGIES, LLC | | LD111-0026-0619 | 57928 | SONIC INDUSTRIES, INC. | | LD111-0026-0619 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | LD111-0026-0619 | 80539 | SPS TECHNOLOGIES, LLC | | LD111-0026-0619 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 1.689 INCHES MINIMUM AND 1.719 INCHES MAXIMUM | | GRIP DIAMETER | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM | | GRIP LENGTH | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | 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 | 0.491 INCHES MINIMUM AND 0.541 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF | | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
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