Shear Bolt NSN: 5306-01-438-8259 P/N:NAS6608D22

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Shear Bolt- 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.

Fastener Length: 2.0950 inches minimum and 2.1250 inches maximum
Grip Diameter: 0.4985 inches minimum and 0.4995 inches maximum
Grip Length: 1.3650 inches minimum and 1.3850 inches maximum
Head Height: 0.2500 inches minimum and 0.2650 inches maximum
Head Style: Dished hexagon
Material: Steel comp 4340 overall or steel comp 8740 overall
Minimum Tensile Strength: 160000 pounds per square inch
Nominal Thread Diameter: 0.5000 inches
Specification/standard Data: 80205-nas6608d22 professional/industrial association standard
Width Between Flats: 0.7410 inches minimum and 0.7520 inches maximum
Surface Treatment: Cadmium overall
Thread Class: 3a
Thread Direction: Right-hand
Thread Length: 0.7350 inches nominal
Thread Quantity Per Inch: 20
Thread Series Designator: Unjf

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