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NSN 5305-01-520-3818

High Torque Screw

About this product

Between 13.2 millimeters and 13.8 millimeters fastener length, pan no. 2 head style, between 7.7 millimeters and 8.0 millimeters head diameter, head height: between 2.2 millimeters and 2.4 millimeters .

Manufacturer part number NA0035-040006 for national stock number 5305015203818.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-520-3818.

  • MPN or Model

    NA0035-040006

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Direction
    Right-hand
  • Thread Length
    Between 7.0 millimeters and 8.0 millimeters
  • Fastener Length
    Between 13.2 millimeters and 13.8 millimeters
  • Head Style
    Pan no. 2
  • Head Diameter
    Between 7.7 millimeters and 8.0 millimeters
  • Head Height
    Between 2.2 millimeters and 2.4 millimeters
  • Grip Diameter
    Between 3.965 millimeters and 3.990 millimeters
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    4.0 millimeters
  • Grip Length
    Between 5.8 millimeters and 6.2 millimeters
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Thread Pitch In Millimeters
    0.7
  • External Thread Tolerance Class
    4h6h
  • Surface Finish
    0.8 micrometers grip
  • Material
    Steel comp e4340 or steel comp 8740
  • Material Specification
    Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 ty2 cl2 federal specification single treatment response
  • Thread Series Designator
    Mj
  • Specification Data
    80205-na0035 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 5305015203818

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NA0035-040006 National Aerospace Standards
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