NSN 5306-01-621-0311
Close Tolerance Hex Head Bolt
Between 4.097 inches and 4.127 inches fastener length, dished hexagon head style, between 0.125 inches and 0.140 inches head height, width between flats: between 0.429 inches and 0.439 inches .
Manufacturer part number NAS6704U59 for national stock number 5306016210311.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-621-0311.
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MPN or Model
NAS6704U59
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.400 inches and 0.450 inches -
Fastener Length
Between 4.097 inches and 4.127 inches -
Head Style
Dished hexagon -
Head Height
Between 0.125 inches and 0.140 inches -
Width Between Flats
Between 0.429 inches and 0.439 inches -
Grip Diameter
Between 0.2490 inches and 0.2495 inches -
Thread Diameter
0.250 inches -
Grip Length
Between 3.615 inches and 3.635 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Surface Finish
32.0 microinches threads -
Material
Iron alloy 660 -
Material Specification
Ams-5731 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas6704 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 5306-01-621-0311 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS6704U59 | National Aerospace Standards |