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NSN 5305-01-629-6690

High Torque Screw

About this product

0.506 inches head diameter, 0.111 inches head height, 0.081 inches hole diameter, grip diameter: 0.2490 inches .

Manufacturer part number NAS1790V4R14A for national stock number 5305016296690.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-629-6690.

  • MPN or Model

    NAS1790V4R14A

  • Thread Class
    3a
  • Thread Length
    0.425 inches
  • Head Diameter
    0.506 inches
  • Head Height
    0.111 inches
  • Hole Diameter
    0.081 inches
  • Grip Diameter
    0.2490 inches
  • Point Length
    0.050 inches
  • Point Style
    Flat
  • Internal Drive Style
    High-torque
  • End Application
    AIRB-US-A40-0MAT
  • Thread Diameter
    0.2500 inches
  • Hole Quantity
    1
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    100.0 degrees
  • Part Name Assigned By Controlling Agency
    Bolt, 100 degree flush head, 160 ksi uts
  • Surface Treatment
    Aluminum
  • 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 5305016296690

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1790V4R14A National Aerospace Standards
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