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National Stock Number:
5306-01-505-9896
Federal Supply Class:
5306
National Item Identification Number:
015059896
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:
| 122896-4-21 | 0PTK6 | SPS TECHNOLOGIES INC | | 122896-4-21 | 56878 | SPS TECHNOLOGIES, LLC | | AIC688-4-21 | 06725 | SPS TECHNOLOGIES, LLC | | HP7747-4-21 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | GS1031-4-21 | 1EM77 | B & B SPECIALTIES INC | | 122896-4-21 | 80539 | SPS TECHNOLOGIES, LLC | | SLB254-4-21 | 16258 | SPACE-LOK, INC. | | S397-4-21 | 17446 | HUCK INTERNATIONAL, INC | | ST3M747-4-21 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | PBF1266-4-21 | 27624 | SPS TECHNOLOGIES LLC | | ST3M747-4-21 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | MB155-4-21 | 73197 | HI-SHEAR CORPORATION | | ST3M747-4-21 | 76301 | THE BOEING COMPANY | | MB155-4-21 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VCG0002-4-21 | 06710 | VALLEY-TODECO, INC. |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | FASTENER LENGTH | 1.694 INCHES MINIMUM AND 1.741 INCHES MAXIMUM | | GRIP LENGTH | 1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM | | GRIP DIAMETER | 0.422 INCHES MINIMUM AND 0.446 INCHES MAXIMUM | | HEAD HEIGHT | 0.164 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.522 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,CLOSE TOLERANCE, SPLINE DRIVE,CRES (125 KSI FSU) | | 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 | AMS 5629 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.397 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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