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National Stock Number:
5306-01-469-1447
Federal Supply Class:
5306
National Item Identification Number:
014691447
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:
| 122896-4D26 | 0PTK6 | SPS TECHNOLOGIES INC | | 122896-4D26 | 56878 | SPS TECHNOLOGIES, LLC | | AIC688-4D26 | 06725 | SPS TECHNOLOGIES, LLC | | HP7747-4D26 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | GS1031-4D26 | 1EM77 | B & B SPECIALTIES INC | | 122896-4D26 | 80539 | SPS TECHNOLOGIES, LLC | | SLB254-4D26 | 16258 | SPACE-LOK, INC. | | S397-4D26 | 17446 | HUCK INTERNATIONAL, INC | | ST3M747-4D26 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | PBF1266-4D26 | 27624 | SPS TECHNOLOGIES LLC | | ST3M747-4D26 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | MB155-4D26 | 73197 | HI-SHEAR CORPORATION | | S397-4D26 | 97928 | HUCK INTL INC | | MB155-4D26 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VCG0002-4D26 | 06710 | VALLEY-TODECO, INC. | | ST3M747-4D26 | 76301 | THE BOEING COMPANY | | VS3191-4D26 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 3.700 INCHES NOMINAL | | GRIP DIAMETER | 0.051 INCHES NOMINAL | | GRIP LENGTH | 3.600 INCHES NOMINAL | | HEAD HEIGHT | 0.164 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.452 INCHES NOMINAL | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 3.500 INCHES | | THREAD CLASS | 1A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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