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National Stock Number:
5306-01-462-2881
Federal Supply Class:
5306
National Item Identification Number:
014622881
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:
| 11823-4D14 | 59563 | REID PRODUCTS INC. | | 122895-4D14 | 56878 | SPS TECHNOLOGIES, LLC | | AIC687-4D14 | 06725 | SPS TECHNOLOGIES, LLC | | GS1015-4D14 | 1EM77 | B & B SPECIALTIES INC | | MB154-4D14 | 73197 | HI-SHEAR CORPORATION | | 122895-4D14 | 80539 | SPS TECHNOLOGIES, LLC | | VCG0001-4D14 | 06710 | VALLEY-TODECO, INC. | | ST3M744-4D14 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | SLB748-4D14 | 16258 | SPACE-LOK, INC. | | ST3M744-4D14 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | PBF1265-4D14 | 27624 | SPS TECHNOLOGIES LLC | | ST3M744-4D14 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M744-4D14 | 76301 | THE BOEING COMPANY | | S406-4D14 | 97928 | HUCK INTL INC | | VS3174-4D14 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3174-4D14 | 17446 | HUCK INTERNATIONAL, INC | | WC744-4D14 | 60516 | WEST COAST AEROSPACE, INC. | | VS3174-4D14 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.448 INCHES MINIMUM AND 0.458 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 0.556 INCHES MINIMUM AND 0.576 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 0.566 INCHES NOMINAL | | HEAD HEIGHT | 0.164 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.448 INCHES MINIMUM AND 0.455 INCHES MAXIMUM | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-CLOSE TOLERANCE,SPLINE DRIVE, CRES(125 KSI FSU) DRILLED,SHORT THREAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.316 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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