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National Stock Number:
5306-01-030-4656
Federal Supply Class:
5306
National Item Identification Number:
010304656
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:
| 74328-3-3 | 56878 | SPS TECHNOLOGIES, LLC | | 74328-3-3 | 80539 | SPS TECHNOLOGIES, LLC | | AIC752-3-13 | 06725 | SPS TECHNOLOGIES, LLC | | BM3326-3-13 | 17446 | HUCK INTERNATIONAL, INC | | BM3326-3-13 | 97928 | HUCK INTL INC | | GS1030-3-13 | 1EM77 | B & B SPECIALTIES INC | | MB84-3-13 | 73197 | HI-SHEAR CORPORATION | | MB84-3-13 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF23T3P3 | 27624 | SPS TECHNOLOGIES LLC | | S11-1059-3-13 | 57928 | SONIC INDUSTRIES, INC. | | S371-3-13 | 17446 | HUCK INTERNATIONAL, INC | | S371-3-13 | 97928 | HUCK INTL INC | | ST3M571-3-13 | 0JV78 | J M PRECISION INC | | ST3M571-3-13 | 76301 | THE BOEING COMPANY | | ST3M571-3-13 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VAL23033-3-13 | 06710 | VALLEY-TODECO, INC. | | VS3060-3-13 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3060-3-13 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM | | FASTENER LENGTH | 1.194 INCHES MINIMUM AND 1.224 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | HEAD HEIGHT | 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,MCDONNEL DOUGLAS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.372 INCHES MINIMUM AND 0.422 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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