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NSN 5305-01-338-6808

High Torque Screw

About this product

Between 0.689 inches and 0.719 inches fastener length, flat countersunk head style, between 0.510 inches and 0.564 inches head diameter, grip diameter: between 0.3735 inches and 0.3745 inches .

Manufacturer part number NAS8806A4 for national stock number 5305013386808.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-338-6808.

  • MPN or Model

    NAS8806A4

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.454 inches
  • Fastener Length
    Between 0.689 inches and 0.719 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.510 inches and 0.564 inches
  • Grip Diameter
    Between 0.3735 inches and 0.3745 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Titanium alloy uns r56400
  • Material Specification
    Ams 4928 assn standard single material response or ams 4967 assn standard single material response
  • Surface Treatment
    Aluminum
  • Thread Series Designator
    Unjc
  • Specification Data
    80205-nas8806 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 5305013386808

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS8806A4 National Aerospace Standards
NAS8806A4 National Aerospace Standards
NAS8806A4 National Aerospace Standards
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