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National Stock Number:
5306-01-573-2297
Federal Supply Class:
5306
National Item Identification Number:
015732297
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:
| NASM21250-14050 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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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 | 1.244 INCHES NOMINAL | | FASTENER LENGTH | 4.389 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II.CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | HEAD HEIGHT | 0.808 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.937 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 1.428 INCHES MINIMUM AND | | 1.438 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.198 INCHES NOMINAL | | GRIP LENGTH | 3.125 INCHES NOMINAL | | GRIP DIAMETER | 0.873 INCHES MINIMUM AND | | 0.874 INCHES MAXIMUM |
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