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National Stock Number:
5306-01-542-8627
Federal Supply Class:
5306
National Item Identification Number:
015428627
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:
| 114435015 | 07309 | ROLLS-ROYCE MARINE NORTH AMERICA INC. | | 114451003 FN 9 | 07309 | ROLLS-ROYCE MARINE NORTH AMERICA INC. |
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Techincal Specification:
| FASTENER LENGTH | 7.000 INCHES NOMINAL | | GRIP DIAMETER | 2.063 INCHES NOMINAL | | GRIP LENGTH | 2.859 INCHES MINIMUM AND 2.860 INCHES MAXIMUM | | HEAD DIAMETER | 3.000 INCHES NOMINAL | | HEAD HEIGHT | 1.875 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL | NICKEL ALLOY 718 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 185000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 2.500 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UN |
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