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NSN 5305-01-411-1309

High Torque Screw

About this product

0.463 inches fastener length, pan head style, between 0.357 inches and 0.373 inches head diameter, head height: between 0.122 inches and 0.132 inches .

Manufacturer part number NAS1173-2K for national stock number 5305014111309.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-411-1309.

  • MPN or Model

    NAS1173-2K

  • 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
    0.338 inches
  • Fastener Length
    0.463 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.357 inches and 0.373 inches
  • Head Height
    Between 0.122 inches and 0.132 inches
  • Locking Feature
    Pellet locking feature or strip locking feature
  • Grip Diameter
    Between 0.188 inches and 0.189 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • End Application
    F16acft
  • Thread Diameter
    0.190 inches
  • Grip Length
    0.125 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp 4140 or steel comp 8740 or steel comp 4340
  • Material Specification
    Mil-s-5126 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416ty2, cl2 federal specification single treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas1173 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 5305014111309

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1173-2K National Aerospace Standards
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