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National Stock Number:
5306-01-526-7398
Federal Supply Class:
5306
National Item Identification Number:
015267398
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:
| 11823-4D19 | 59563 | REID PRODUCTS INC. | | 122895-4D19 | 0PTK6 | SPS TECHNOLOGIES INC | | 122895-4D19 | 56878 | SPS TECHNOLOGIES, LLC | | 122895-4D19 | 80539 | SPS TECHNOLOGIES, LLC | | AIC687-4D19 | 06725 | SPS TECHNOLOGIES, LLC | | GS1015-4D19 | 1EM77 | B & B SPECIALTIES INC | | PBF1265-4D19 | 27624 | SPS TECHNOLOGIES LLC | | SLB748-4D19 | 16258 | SPACE-LOK, INC. | | ST3M744-4D19 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M744-4D19 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M744-4D19 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M744-4D19 | 76301 | THE BOEING COMPANY | | VCG0001-4D19 | 06710 | VALLEY-TODECO, INC. | | VS3174-4D19 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3174-4D19 | 17446 | HUCK INTERNATIONAL, INC | | VS3174-4D19 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | WC744-4D19 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| FASTENER LENGTH | 1.494 INCHES MINIMUM AND 1.514 INCHES MAXIMUM | | GRIP DIAMETER | 0.249 INCHES NOMINAL | | GRIP LENGTH | 1.188 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 | | 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 | 0.316 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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