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NSN 5305-00-279-9056

High Torque Screw

About this product

Between 0.622 inches and 0.642 inches fastener length, flat countersunk head style, between 0.266 inches and 0.303 inches head diameter, locking feature: detent ball grip.

Manufacturer part number CA27034-3-2 for national stock number 5305002799056.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-279-9056.

  • MPN or Model

    CA27034-3-2

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.497 inches and 0.579 inches
  • Fastener Length
    Between 0.622 inches and 0.642 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.266 inches and 0.303 inches
  • Locking Feature
    Detent ball grip
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.063 inches and 0.125 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp 6120h and steel comp 8740
  • 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 5305002799056

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA27034-3-2 Arconic Global Fasteners & Rings,
202-15503-3-2 Triumph Aerostructures, Llc
AS146S3-2 Avibank Mfg., Inc.
202-15503-3-2 Triumph Aerostructures, Llc
CA27034-3-2 Arconic Global Fasteners & Rings,
AS146S3-2 Avibank Mfg., Inc.
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