NSN 5306-01-249-4186
Close Tolerance Hex Head Bolt
Between 3.057 inches and 3.087 inches fastener length, hexagon head style, between 0.375 inches and 0.390 inches head height, width between flats: between 1.052 inches and 1.064 inches .
Manufacturer part number NAS1263-40D for national stock number 5306012494186.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-249-4186.
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MPN or Model
NAS1263-40D
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Schedule B
8109.90.0000 (Zirconium and articles thereof nesoi) -
NMF (National Motor Freight)
136500 - Metal NOI/metal Alloys NOI -
Unit Weight (Est.)
0.3 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.547 inches and 0.597 inches -
Fastener Length
Between 3.057 inches and 3.087 inches -
Head Style
Hexagon -
Head Height
Between 0.375 inches and 0.390 inches -
Width Between Flats
Between 1.052 inches and 1.064 inches -
Grip Diameter
Between 0.7485 inches and 0.7490 inches -
Shank Unthreaded Hole Diameter
0.141 inches first hole and 0.151 inches first hole -
Thread Diameter
0.750 inches -
Grip Length
Between 2.490 inches and 2.510 inches -
Thready Qty Per Inch (tpi)
16 -
Distance From Head Largest Bearing Surface To Shank Hole Center
2.919 inches first hole and 2.969 inches first hole -
Surface Finish
63.0 microinches bearing surface of head -
Material
Titanium alloy uns r56400 -
Material Specification
Ams4967 assn standard single material response -
Thread Series Designator
Unf -
Specification Data
80205-nas1263 professional/industrial association standard
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An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
Pricing and Availability
Get a quote for 5306-01-249-4186 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1263-40D | National Aerospace Standards |