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National Stock Number:
5306-00-097-4662
Federal Supply Class:
5306
National Item Identification Number:
000974662
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:
| MS21250-05036 | 06710 | VALLEY-TODECO, INC. | | MS21250-05036 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS21250-05036 | 17446 | HUCK INTERNATIONAL, INC | | MS21250-05036 | 27624 | SPS TECHNOLOGIES LLC | | MS21250-05036 | 50945 | MERCURY AEROSPACE FASTENERS INC | | MS21250-05036 | 52628 | CHANDLER CRAFTSMAN CONTROLS | | VFK100G-05036 | 06710 | VALLEY-TODECO, INC. | | MS21250-05036 | 56878 | SPS TECHNOLOGIES, LLC | | MS21250-05036 | 57472 | ALL MANUFACTURERS, INC. | | MS21250-05036 | 70276 | ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO | | MS21250-05036 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS21250-05036 | 93907 | TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS | | MS21250-05036 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS21250-05036 | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.589 INCHES MINIMUM AND | | 0.609 INCHES MAXIMUM | | FASTENER LENGTH | 2.849 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OR | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL 2 FED SPEC ALL TREATMENT RESPONSES 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 | 0.348 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND | | 0.376 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND | | 0.531 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.082 INCHES NOMINAL | | GRIP LENGTH | 2.240 INCHES MINIMUM AND | | 2.260 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21250-05036 |
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