NSN 5306-00-687-6140
Close Tolerance Hex Head Bolt
Between 0.449 inches and 0.479 inches fastener length, hexagon head style, 0.110 inches head height, width between flats: between 0.367 inches and 0.376 inches .
Manufacturer part number NAS621 for national stock number 5306006876140.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-00-687-6140.
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MPN or Model
NAS621
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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.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.251 inches and 0.301 inches -
Fastener Length
Between 0.449 inches and 0.479 inches -
Head Style
Hexagon -
Head Height
0.110 inches -
Width Between Flats
Between 0.367 inches and 0.376 inches -
Grip Diameter
Between 0.1890 inches and 0.1895 inches -
Thread Diameter
0.190 inches -
Grip Length
Between 0.178 inches and 0.198 inches -
Thready Qty Per Inch (tpi)
32 -
Surface Finish
63.0 microinches grip -
Material
Titanium alloy -
Material Specification
Nas621 comp 6a1-4v assn standard single material response -
Thread Series Designator
Unf -
Specification Data
80205-nas653 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.
![Mechanic Bill explains Close Tolerance Hex Head Bolt](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5306-00-687-6140 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS621 | National Aerospace Standards |
NAS653V3 | National Aerospace Standards |
10114356 | Nimikkeistokeskus Ncb Finland |
Stock Check
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