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National Stock Number:
5306-01-383-9940
Federal Supply Class:
5306
National Item Identification Number:
013839940
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:
| 12387352-H12010 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.036 INCHES NOMINAL | | FASTENER LENGTH | 1.681 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 4140 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 5.1.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | HEAD HEIGHT | 0.711 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.812 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 1.220 INCHES MINIMUM AND | | 1.230 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.178 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.045 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | GRIP LENGTH | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | GRIP DIAMETER | 0.797 INCHES MINIMUM AND | | 0.812 INCHES MAXIMUM |
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