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NSN 5305-00-453-7421

High Torque Screw

About this product

Between 0.363 inches and 0.393 inches fastener length, pan head style, between 0.473 inches and 0.492 inches head diameter, head height: between 0.162 inches and 0.175 inches .

Manufacturer part number NAS1134V1 for national stock number 5305004537421.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-453-7421.

  • MPN or Model

    NAS1134V1

  • 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 0.291 inches and 0.341 inches
  • Fastener Length
    Between 0.363 inches and 0.393 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.473 inches and 0.492 inches
  • Head Height
    Between 0.162 inches and 0.175 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.052 inches and 0.072 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Surface Finish
    32.0 microinches threads
  • Material
    Titanium alloy uns r54520
  • Material Specification
    Nas 621, 6al-4v assn standard single material response
  • Thread Series Designator
    Unjf
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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 5305004537421

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1134V1 National Aerospace Standards
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