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National Stock Number:
5306-01-477-5821
Federal Supply Class:
5306
National Item Identification Number:
014775821
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:
| 11829-8-16 | 59563 | REID PRODUCTS INC. | | 122897-8-16 | 56878 | SPS TECHNOLOGIES, LLC | | A1C763-8-16 | 06725 | SPS TECHNOLOGIES, LLC | | HP7753-8-16 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | GS1032-8-16 | 1EM77 | B & B SPECIALTIES INC | | 122897-8-16 | 80539 | SPS TECHNOLOGIES, LLC | | VFK600-8-16 | 06710 | VALLEY-TODECO, INC. | | SLB255-8-16 | 16258 | SPACE-LOK, INC. | | S343-8-16 | 17446 | HUCK INTERNATIONAL, INC | | ST3M753-8-16 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | PBF1267-8-16 | 27624 | SPS TECHNOLOGIES LLC | | ST3M753-8-16 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | MB156-8-16 | 73197 | HI-SHEAR CORPORATION | | ST3M753-8-16 | 76301 | THE BOEING COMPANY | | VS3190-8-16 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.531 INCHES NOMINAL FIRST HOLE | | EXTENDED WASHER THICKNESS | 0.072 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.922 INCHES MINIMUM AND 0.932 INCHES MAXIMUM | | FASTENER LENGTH | 1.767 INCHES NOMINAL | | GRIP LENGTH | 1.000 INCHES NOMINAL | | GRIP DIAMETER | 0.499 INCHES NOMINAL | | HEAD HEIGHT | 0.450 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.547 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | HEAD STYLE | SPLINE EXTENDED WASHER | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.767 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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