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National Stock Number:
5306-00-508-2831
Federal Supply Class:
5306
National Item Identification Number:
005082831
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:
| MS21250-14096 | 06725 | SPS TECHNOLOGIES, LLC | | MS21250-14096 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS21250-14096 | 17446 | HUCK INTERNATIONAL, INC | | MS21250-14096 | 27624 | SPS TECHNOLOGIES LLC | | MS21250-14096 | 56878 | SPS TECHNOLOGIES, LLC | | MS21250-14096 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VAL21013-14096 | 06710 | VALLEY-TODECO, INC. | | MS21250-14096 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS21250-14096 | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | THREAD QUANTITY PER INCH | 14 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.254 INCHES MINIMUM AND | | 1.274 INCHES MAXIMUM | | FASTENER LENGTH | 7.264 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.808 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND | | 0.940 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 1.428 INCHES MINIMUM AND | | 1.438 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.198 INCHES NOMINAL | | GRIP LENGTH | 5.990 INCHES MINIMUM AND | | 6.010 INCHES MAXIMUM | | GRIP DIAMETER | 0.8730 INCHES MINIMUM AND | | 0.8740 INCHES MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21250-14096 |
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