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National Stock Number:
5306-01-332-3190
Federal Supply Class:
5306
National Item Identification Number:
013323190
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:
| 11797A06U020 | 59563 | REID PRODUCTS INC. | | AIC2263A06U020 | 06725 | SPS TECHNOLOGIES, LLC | | BM3200-6A020 | 17446 | HUCK INTERNATIONAL, INC | | PBF1041A6U020 | 27624 | SPS TECHNOLOGIES LLC | | STSBG000A06U020 | 56878 | SPS TECHNOLOGIES, LLC | | BM3200-6A020 | 97928 | HUCK INTL INC | | VAL23611-6D020 | 06710 | VALLEY-TODECO, INC. | | VS2978A06U020 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | STSBG000A06U020 | 57928 | SONIC INDUSTRIES, INC. | | STSBG000A06U020 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS2978A06U020 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | STSBG000A06U020 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| FASTENER LENGTH | 1.650 INCHES NOMINAL | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT | | GRIP LENGTH | 1.250 INCHES NOMINAL | | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM | | HEAD HEIGHT | 0.210 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 132000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM | | SURFACE TREATMENT | CHROMATE AND NICKEL AND CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.400 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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