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National Stock Number:
5306-01-190-1503
Federal Supply Class:
5306
National Item Identification Number:
011901503
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:
| 4956743 | 58889 | NATIONAL OIL WELL DBA IEC BAYLOR | | G4956743 | 52142 | NATIONAL OILWELL VARCO INC DBA NATIONAL OILWELL |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 11 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.719 INCHES MINIMUM AND | | 1.781 INCHES MAXIMUM | | FASTENER LENGTH | 5.469 INCHES MINIMUM AND | | 5.531 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.616 INCHES MINIMUM AND | | 0.625 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.921 INCHES MINIMUM AND | | 0.938 INCHES MAXIMUM | | GRIP LENGTH | 3.750 INCHES MAXIMUM | | GRIP DIAMETER | 0.6163 INCHES MINIMUM AND | | 0.6250 INCHES MAXIMUM |
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