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National Stock Number:
5306-01-013-3997
Federal Supply Class:
5306
National Item Identification Number:
010133997
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:
| 109453-4-22 | 56878 | SPS TECHNOLOGIES, LLC | | 109453-4-22 | 80539 | SPS TECHNOLOGIES, LLC | | 11825-4-22 | 59563 | REID PRODUCTS INC. | | A1C753-4-22 | 06725 | SPS TECHNOLOGIES, LLC | | AIC753-4-22 | 06725 | SPS TECHNOLOGIES, LLC | | BM17019-4-22 | 17446 | HUCK INTERNATIONAL, INC | | BM17019-4-22 | 97928 | HUCK INTL INC | | FIT7047-4-22 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | GS1016-4-22 | 1EM77 | B & B SPECIALTIES INC | | HP5453-4-22 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | MB61-4-22 | 73197 | HI-SHEAR CORPORATION | | MB61-4-22 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1253-4-22 | 27624 | SPS TECHNOLOGIES LLC | | S11-1060-4-22 | 57928 | SONIC INDUSTRIES, INC. | | SLB252-4-22 | 16258 | SPACE-LOK, INC. | | ST3M453-4-22 | 0UCY9 | M.S. AEROSPACE INC. | | ST3M453-4-22 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M453-4-22 | 76301 | THE BOEING COMPANY | | US3204-4-22 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VAL23029-4-22 | 06710 | VALLEY-TODECO, INC. | | VS3204-4-22 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | WC453-4-22 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| FASTENER LENGTH | 1.756 INCHES MINIMUM AND 1.803 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM | | HEAD HEIGHT | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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