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NSN 5305-01-470-6950

High Torque Screw

About this product

Between 0.730 inches and 0.760 inches fastener length, flat countersunk head style, between 0.266 inches and 0.303 inches head diameter, grip diameter: between 0.1885 inches and 0.1895 inches .

Manufacturer part number NAS8603D-6 for national stock number 5305014706950.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-470-6950.

  • MPN or Model

    NAS8603D-6

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.323 inches
  • Fastener Length
    Between 0.730 inches and 0.760 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.266 inches and 0.303 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.1900 inches
  • Grip Length
    Between 0.365 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp 4340 or steel comp 8740
  • Material Specification
    Mil-s-5000 assn standard single material response and mil-s-6049 assn standard single material response or ams6322 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416 assn standard single treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas8603 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 5305014706950

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS8603D-6 National Aerospace Standards
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