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National Stock Number:
5306-01-209-7950
Federal Supply Class:
5306
National Item Identification Number:
012097950
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:
| 10116151 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 122896-3D21 | 80539 | SPS TECHNOLOGIES, LLC | | AIC688-3D21 | 06725 | SPS TECHNOLOGIES, LLC | | MB155-3D21 | 73197 | HI-SHEAR CORPORATION | | MB155-3D21 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1266-3D21 | 27624 | SPS TECHNOLOGIES LLC | | S397-3D21 | 17446 | HUCK INTERNATIONAL, INC | | S397-3D21 | 97928 | HUCK INTL INC | | ST3M747-3D21 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M747-3D21 | 16258 | SPACE-LOK, INC. | | ST3M747-3D21 | 1EM77 | B & B SPECIALTIES INC | | ST3M747-3D21 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M747-3D21 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M747-3D21 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M747-3D21 | 76301 | THE BOEING COMPANY | | VCG0002-3D21 | 06710 | VALLEY-TODECO, INC. | | VS3191-3D21 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.506 INCHES MINIMUM AND 1.563 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.627 INCHES MINIMUM AND 1.674 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM | | HEAD HEIGHT | 0.140 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.383 INCHES MINIMUM AND 0.389 INCHES MAXIMUM | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE | | 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 | 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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