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Shear Bolt
Model NAS1261-25D
Quick Information about NAS1261-25D
3a thread class, right-hand , 0.511 inches thread length, 2.058 inches fastener length, hexagon head style, 0.281 inches head height
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Product Details
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NSN:5306-01-618-5382 (5306016185382)
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Thread Direction:Right-hand
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Thread Length:0.511 inches
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Fastener Length:Between 2.058 inches and 2.088 inches
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Head Style:Hexagon
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Head Height:Between 0.281 inches and 0.296 inches
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Width Flats:Between 0.865 inches and 0.877 inches
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Grip Diameter:Between 0.5610 inches and 0.5615 inches
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Shank Diameter:0.141 inches and 0.151 inches all holes
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Thread Diameter:0.5625 inches
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Grip Length:Between 1.552 inches and 1.572 inches
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Thready (tpi):18
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Min. (psi):160000 pounds per square inch
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Distance Center:2.23 inches all holes
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Surface Finish:63.0 microinches
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Part Agency:Bolt, tension, hex head, close tolerance, short thread, titanium alloy, 160 ksi ftu
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Material Specification:Nas4004 national std/spec single material response
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Specification Data:80205-nas1261 through 1265 professional/industrial association standard
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Schedule B Code:8108908000
Classification
Other wrought titanium, nesoi
Definition 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.
Part Identification
Part Materials
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