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NSN 5305-01-520-9375

High Torque Screw

About this product

0.653 inches fastener length, undercut pan no. 2 head style, 0.547 inches head diameter, head height: 0.127 inches .

Manufacturer part number 120-259E3-13 for national stock number 5305015209375.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-520-9375.

  • MPN or Model

    120-259E3-13

  • 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
    0.260 inches
  • Fastener Length
    0.653 inches
  • Head Style
    Undercut pan no. 2
  • Head Diameter
    0.547 inches
  • Head Height
    0.127 inches
  • Spline Major Diameter
    0.155 inches
  • Grip Diameter
    0.189 inches
  • Internal Drive Style
    Torx
  • End Application
    Mv-22 (e-nsn isil)
  • Thread Diameter
    0.190 inches
  • Grip Length
    0.250 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    3180 pounds per square inch
  • Criticality Code Justification
    Agav
  • Part Name Assigned By Controlling Agency
    Screw, shear, pan head, close tolerance, short thread, six lobe recess, 95 ksi fsu
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5731 federal specification 1st material response or ams 5732 federal specification 2nd material response or ams 5737 federal specification 3rd material response or ams 5853 federal specification 4th material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Ams-qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unjf
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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 5305015209375

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
120-259E3-13 Bell Helicopter Textron Inc.
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