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National Stock Number:
5306-01-550-3447
Federal Supply Class:
5306
National Item Identification Number:
015503447
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:
| MS21250-16056 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.222 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM | | FASTENER LENGTH | 5.922 INCHES NOMINAL | | GRIP DIAMETER | 0.998 INCHES MINIMUM AND 0.999 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.923 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, STEEL, EXTERNAL WRENCHING, FLANGED | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC ALL MATERIAL RESPONSES OR MIL-S-5000 MIL SPEC ALL MATERIAL RESPONSES OR MIL-S-6049 MIL SPEC ALL MATERIAL RESPONSES OR MIL-S-8503 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL | | MINIMUM TENSILE STRENGTH | 126 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | WIDTH BETWEEN FLATS | 1.060 INCHES NOMINAL | | SUPPLEMENTARY FEATURES | UNDRILLED HEAD/12-POINT, 180 KSI, 450 DEGREE F/SURFACE TEXTURE IAW ANSI (ASA) B46.1 | | SURFACE FINISH | 125.0 MICROINCHES OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY II, CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 4.999 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 12 |
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