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National Stock Number:
5306-00-765-2968
Federal Supply Class:
5306
National Item Identification Number:
007652968
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:
| MS21250-12036 | 06725 | SPS TECHNOLOGIES, LLC | | MS21250-12036 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS21250-12036 | 17446 | HUCK INTERNATIONAL, INC | | MS21250-12036 | 27624 | SPS TECHNOLOGIES LLC | | MS21250-12036 | 50945 | MERCURY AEROSPACE FASTENERS INC | | MS21250-12036 | 56878 | SPS TECHNOLOGIES, LLC | | MS21250-12036 | 73197 | HI-SHEAR CORPORATION | | MS21250-12036 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS21250-12036 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS21250-12036 | 97928 | HUCK INTL INC | | MS21250-12036 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VAL21013-12036 | 06710 | VALLEY-TODECO, INC. |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.178 INCHES NOMINAL | | FASTENER LENGTH | 3.306 INCHES NOMINAL | | GRIP DIAMETER | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM | | GRIP LENGTH | 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.711 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | WIDTH BETWEEN FLATS | 0.8038 INCHES MINIMUM AND 0.814 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.046 INCHES MINIMUM AND 1.066 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNJF |
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