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National Stock Number:
5306-01-214-3476
Federal Supply Class:
5306
National Item Identification Number:
012143476
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:
| 122897-5H27 | 80539 | SPS TECHNOLOGIES, LLC | | AIC763-5H27 | 06725 | SPS TECHNOLOGIES, LLC | | GS1032-5H27 | 1EM77 | B & B SPECIALTIES INC | | MB156-5H27 | 73197 | HI-SHEAR CORPORATION | | MB156-5H27 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1267-5H27 | 27624 | SPS TECHNOLOGIES LLC | | S343-5H-27 | 17446 | HUCK INTERNATIONAL, INC | | S343-5H-27 | 97928 | HUCK INTL INC | | ST3M753-5H-27 | 0CZ92 | PRUITT ENERGY SOURCES INC | | ST3M753-5H-27 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M753-5H27 | 76301 | THE BOEING COMPANY | | VFK600-5H27 | 06710 | VALLEY-TODECO, INC. | | VFK600-5H27 | U1006 | CLAYTON-WRIGHT HOWARD LTD | | VS319-5H27 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3190-5H27 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3190-5H27 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM | | FASTENER LENGTH | 2.110 INCHES MINIMUM AND 2.140 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | HEAD HEIGHT | 0.247 INCHES MINIMUM AND 0.287 INCHES MAXIMUM | | HEAD STYLE | SPLINE EXTENDED WASHER | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON FLATS | | HOLE DIAMETER | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | HOLE QUANTITY | 4 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.975 INCHES MINIMUM AND 1.025 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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