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NSN 5305-01-422-3023

High Torque Screw

About this product

Between 0.970 inches and 1.030 inches fastener length, flat countersunk head style, between 0.480 inches and 0.531 inches head diameter, grip diameter: between 0.2435 inches and 0.2500 inches .

Manufacturer part number A3210117-1 for national stock number 5305014223023.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-422-3023.

  • MPN or Model

    A3210117-1

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.839 inches and 0.964 inches
  • Fastener Length
    Between 0.970 inches and 1.030 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.480 inches and 0.531 inches
  • Grip Diameter
    Between 0.2435 inches and 0.2500 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Grip Length
    0.161 inches
  • Width Across Flats
    Between 0.156 inches and 0.159 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Countersink Angle
    Between 80.0 degrees and 84.0 degrees
  • Material
    Stainless steel
  • Material Specification
    Astma581, 300 series assn standard single material response
  • Thread Series Designator
    Unc
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Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305014223023

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
A3210117-1 Us Army Communications &
A3210117-1 Us Army Communications &
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