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National Stock Number:
5306-01-422-1040
Federal Supply Class:
5306
National Item Identification Number:
014221040
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:
| 68486-18-064 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 1.125 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.702 INCHES NOMINAL | | FASTENER LENGTH | 5.702 INCHES NOMINAL | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 1.041 INCHES MINIMUM AND | | 1.061 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.239 INCHES MINIMUM AND | | 1.252 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 1.065 INCHES MINIMUM AND | | 1.075 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.248 INCHES MINIMUM AND | | 0.268 INCHES MAXIMUM | | GRIP LENGTH | 4.000 INCHES NOMINAL | | GRIP DIAMETER | 1.1225 INCHES MINIMUM AND | | 1.1240 INCHES MAXIMUM |
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