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NSN 5305-00-901-4408

High Torque Screw

About this product

Retaining element in shank.

Manufacturer part number CA4850-04-12 for national stock number 5305009014408.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-901-4408.

  • MPN or Model

    CA4850-04-12

  • 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.)
    0.2 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.268 inches and 0.346 inches
  • Fastener Length
    Between 1.167 inches and 1.214 inches
  • Head Style
    Crowned hexagon
  • Head Height
    Between 0.126 inches and 0.141 inches
  • Width Between Flats
    Between 0.430 inches and 0.439 inches
  • Grip Diameter
    Between 0.2487 inches and 0.2492 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.086 inches first hole
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.750 inches and 0.766 inches
  • Thready Qty Per Inch (tpi)
    28
  • Hardness Rating
    39.0 rockwell c and 45.0 rockwell c
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.095 inches first hole and 1.099 inches first hole
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel comp e4340 or steel comp 8740
  • Material Specification
    Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 3 federal specification single treatment 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 5305009014408

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA4850-04-12 Arconic Global Fasteners & Rings,
202-15500-4-12 Triumph Aerostructures, Llc
AS-110-4-12 Avibank Mfg., Inc.
VP1072-4-12 Alcoa Global Fasteners, Inc.
Stock Check
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