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National Stock Number:
5306-01-526-3929
Federal Supply Class:
5306
National Item Identification Number:
015263929
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:
| 11829L5-15 | 59563 | REID PRODUCTS INC. | | 122897L5-15 | 0PTK6 | SPS TECHNOLOGIES INC | | 122897L5-15 | 56878 | SPS TECHNOLOGIES, LLC | | 122897L5-15 | 80539 | SPS TECHNOLOGIES, LLC | | AIC763L5-15 | 06725 | SPS TECHNOLOGIES, LLC | | GS1032-L5-15 | 1EM77 | B & B SPECIALTIES INC | | HP7753L5-15 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | MB156L5-15 | 73197 | HI-SHEAR CORPORATION | | PBF1267L5-15 | 27624 | SPS TECHNOLOGIES LLC | | S343L5-15 | 17446 | HUCK INTERNATIONAL, INC | | SLB255-L5-15 | 16258 | SPACE-LOK, INC. | | ST3M753L5-15 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M753L5-15 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M753L5-15 | 76301 | THE BOEING COMPANY | | VFK600L5-15 | 06710 | VALLEY-TODECO, INC. | | VS3190L5-15 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.291 INCHES NOMINAL FIRST HOLE | | EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.045 INCHES NOMINAL | | FASTENER LENGTH | 1.489 INCHES NOMINAL | | GRIP DIAMETER | 0.311 INCHES NOMINAL | | GRIP LENGTH | 0.938 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | HEAD STYLE | SPLINE EXTENDED WASHER | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.313 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | P.S. 18021 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | LUBRICANT OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.551 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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