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National Stock Number:
5306-00-958-8382
Federal Supply Class:
5306
National Item Identification Number:
009588382
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:
| 11699A10U028 | 59563 | REID PRODUCTS INC. | | LS5995-10-28 | 98897 | LOCKHEED MARTIN CORP | | STSBG003A10U028 | 06710 | VALLEY-TODECO, INC. | | STSBG003A10U028 | 06725 | SPS TECHNOLOGIES, LLC | | STSBG003A10U028 | 27624 | SPS TECHNOLOGIES LLC | | STSBG003A10U028 | 56878 | SPS TECHNOLOGIES, LLC | | STSBG003A10U028 | 57928 | SONIC INDUSTRIES, INC. | | STSBG003A10U028 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | STSBG003A10U028 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 1.185 INCHES MINIMUM AND 1.195 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.125 INCHES NOMINAL | | FASTENER LENGTH | 2.884 INCHES NOMINAL | | GRIP DIAMETER | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM | | GRIP LENGTH | 1.750 INCHES NOMINAL | | HEAD HEIGHT | 0.673 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | WIDTH BETWEEN FLATS | 0.803 INCHES MINIMUM AND 0.814 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.134 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 18 |
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