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NSN 5305-00-465-6770

High Torque Screw

About this product

Between 1.938 inches and 1.968 inches fastener length, flat countersunk head style, between 0.832 inches and 0.890 inches head diameter, grip diameter: between 0.4360 inches and 0.4370 inches .

Manufacturer part number AIC449-7-18 for national stock number 5305004656770.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-465-6770.

  • MPN or Model

    AIC449-7-18

  • 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 0.803 inches and 0.853 inches
  • Fastener Length
    Between 1.938 inches and 1.968 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.832 inches and 0.890 inches
  • Grip Diameter
    Between 0.4360 inches and 0.4370 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.437 inches
  • Grip Length
    Between 1.115 inches and 1.135 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    63.0 microinches grip
  • Material
    Titanium alloy uns r54520
  • Material Specification
    Nas621, comp 6al-4v assn standard single material response
  • Thread Series Designator
    Unf
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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 5305004656770

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
AIC449-7-18 Sps Technologies, Llc
SCCT16-7-1 Huck International, Inc.
C4407-1 Lockheed Martin Corporation
SCCT16-7-1 Huck Intl Inc
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