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NSN 5305-01-384-1672

High Torque Screw

About this product

Between 4.064 inches and 4.110 inches fastener length, flat countersunk head style, between 0.752 inches and 0.762 inches head diameter, grip diameter: between 0.3733 inches and 0.3742 inches .

Manufacturer part number NAS336CPA40 for national stock number 5305013841672.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-384-1672.

  • MPN or Model

    NAS336CPA40

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.641 inches
  • Fastener Length
    Between 4.064 inches and 4.110 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.752 inches and 0.762 inches
  • Grip Diameter
    Between 0.3733 inches and 0.3742 inches
  • Single Shear Strength
    10500 pounds per square inch
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.375 inches
  • Grip Length
    3.438 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    12700 pounds per square inch
  • Countersink Angle
    100.0 degrees
  • Material
    Steel comp 4140 or steel comp 4340 or steel comp 8740
  • Material Specification
    Mil-s-5626 military specification 1st material response or mil-s-8844 military specification 2nd material response or ams6414 assn standard 3rd material response or mil-s-6049 military specification 4th material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416 federal specification single treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas336 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 5305013841672

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS336CPA40 National Aerospace Standards
NAS336CPA40 National Aerospace Standards
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