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National Stock Number:
5306-01-250-6712
Federal Supply Class:
5306
National Item Identification Number:
012506712
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| 120970-6S24D | 80539 | SPS TECHNOLOGIES, LLC | | 20-057-6S24D | 06725 | SPS TECHNOLOGIES, LLC | | 20-057-6S24D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 20-057-6S24D | 0K6Z0 | SATURN FASTENERS INC | | 20-057-6S24D | 0PTK6 | SPS TECHNOLOGIES INC | | 20-057-6S24D | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 20-057-6S24D | 17446 | HUCK INTERNATIONAL, INC | | 20-057-6S24D | 1EM77 | B & B SPECIALTIES INC | | 20-057-6S24D | 1ER65 | 3-V FASTENER CO., INC. | | 20-057-6S24D | 27624 | SPS TECHNOLOGIES LLC | | 20-057-6S24D | 56878 | SPS TECHNOLOGIES, LLC | | 20-057-6S24D | 62384 | LFC INDUSTRIES INC. | | 20-057-6S24D | 62478 | TELUS INC | | 20-057-6S24D | 64728 | AEROSPACE RIVET MFRS CORP | | AIC2057-6S24D | 06725 | SPS TECHNOLOGIES, LLC | | SC2648-6S24D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PBF1113-6S24D | 27624 | SPS TECHNOLOGIES LLC | | 20-057-6S24D | 80539 | SPS TECHNOLOGIES, LLC | | SC2648-6S24D | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 20-057-6S24D | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.334 INCHES MINIMUM AND | | 0.384 INCHES MAXIMUM | | FASTENER LENGTH | 1.844 INCHES MINIMUM AND | | 1.874 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 4140 OR | | STEEL COMP 8740 OR | | STEEL COMP 8735 OR | | STEEL COMP 6150 OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.188 INCHES MINIMUM AND | | 0.203 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND | | 0.564 INCHES MAXIMUM | | GRIP LENGTH | 1.490 INCHES MINIMUM AND | | 1.510 INCHES MAXIMUM | | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND | | 0.3745 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | 63.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.637 INCHES MINIMUM AND | | 1.687 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND | | 0.116 INCHES MAXIMUM FIRST HOLE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 97499 | | MFR SOURCE CONTROLLING REFERENCE | 20-057-6S24D |
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