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NSN 5305-01-397-1317

High Torque Screw

About this product

Between 14.7 millimeters and 15.3 millimeters fastener length, oval countersunk head style, 7.0 millimeters head diameter, grip diameter: between 4.9650 millimeters and 4.9900 millimeters .

Manufacturer part number NA0123-A050006 for national stock number 5305013971317.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-397-1317.

  • MPN or Model

    NA0123-A050006

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Direction
    Right-hand
  • Thread Length
    9.0 millimeters
  • Fastener Length
    Between 14.7 millimeters and 15.3 millimeters
  • Head Style
    Oval countersunk
  • Head Diameter
    7.0 millimeters
  • Grip Diameter
    Between 4.9650 millimeters and 4.9900 millimeters
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    5.0 millimeters
  • Grip Length
    6.00 millimeters
  • Thread Pitch In Millimeters
    0.8
  • External Thread Tolerance Class
    4h6h
  • Countersink Angle
    100.0 degrees
  • Material
    Steel
  • Thread Series Designator
    Mj
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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 5305013971317

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NA0123-A050006 National Aerospace Standards
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