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NSN 5305-01-283-9899

High Torque Screw

About this product

Three keyways 1.371 inch min. And 1.391 inch max. Long and 0.040 inch min. And 0.044 inch max. Wide; hole at threaded end with dia. Reamed to accept plug.

Manufacturer part number CA21017-4-14 for national stock number 5305012839899.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-283-9899.

  • MPN or Model

    CA21017-4-14

  • 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
    Between 0.516 inches and 0.556 inches
  • Fastener Length
    Between 1.401 inches and 1.421 inches
  • Head Style
    Pan no. 2
  • Head Diameter
    Between 0.477 inches and 0.492 inches
  • Head Height
    Between 0.140 inches and 0.150 inches
  • Grip Diameter
    Between 0.2490 inches and 0.2495 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.865 inches and 0.885 inches
  • Width Across Flats
    Between 0.1565 inches and 0.1587 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Surface Finish
    32.0 microinches threads
  • Material
    Iron alloy 660
  • Material Specification
    Ams5732 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unjf
More from these suppliers
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 5305012839899

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA21017-4-14 Arconic Global Fasteners & Rings,
LE111-0001-4014 Boeing Company, The
FIT01-0001-4014 Fastener Innovation Technology, Inc.
LE111-0001-4014 Fastener Innovation Technology, Inc.
Stock Check
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