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NSN 5305-01-597-4109

High Torque Screw

About this product

1.583 inches fastener length, flat countersunk head style, between 0.575 inches and 0.625 inches head diameter, single shear strength: 95000 pounds per square inch.

Manufacturer part number NAS4405-18 for national stock number 5305015974109.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-597-4109.

  • MPN or Model

    NAS4405-18

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Direction
    Right-hand
  • Thread Length
    0.438 inches
  • Fastener Length
    1.583 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.575 inches and 0.625 inches
  • Single Shear Strength
    95000 pounds per square inch
  • Internal Drive Style
    Tri-wing recess
  • Thread Diameter
    0.312 inches
  • Thready Qty Per Inch (tpi)
    24
  • Minimum Yield Strength
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Bolt, 100 deg. Head, tri-slot recess, close tolerance, alloy steel, short thread, self-locking and nonlocking
  • Material
    Steel comp 4340 or steel comp 8740
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, ty2, cl2 federal specification 1st treatment response
  • Thread Series Designator
    Unc
  • Specification Data
    80205-nas4400 through 4416 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 5305015974109

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS4405-18 National Aerospace Standards
NAS4405-18 Lockheed Martin Corporation
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