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NSN 5305-01-322-1596

High Torque Screw

About this product

Between 0.473 inches and 0.503 inches fastener length, flat countersunk undercut head style, 0.3047 inches head diameter, head height: 0.049 inches .

Manufacturer part number NAS1581F3H2 for national stock number 5305013221596.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-322-1596.

  • MPN or Model

    NAS1581F3H2

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.363 inches
  • Fastener Length
    Between 0.473 inches and 0.503 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    0.3047 inches
  • Head Height
    0.049 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.115 inches and 0.135 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    1600 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel
  • Surface Treatment
    Cadmium
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas1581 professional/industrial association standard
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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 5305013221596

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1581F3H2 National Aerospace Standards
NAS1581A3H2 National Aerospace Standards
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