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NSN 5305-01-520-9389

High Torque Screw

About this product

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

Manufacturer part number 120-259V3A9 for national stock number 5305015209389.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-520-9389.

  • MPN or Model

    120-259V3A9

  • Schedule B
    8108.90.8000 (Other wrought titanium, nesoi)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.260 inches
  • Fastener Length
    0.965 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 (v-22 lrip1)
  • Thread Diameter
    0.190 inches
  • Grip Length
    0.562 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
    Titanium alloy uns r54520
  • Material Specification
    Ams 4928 federal specification 1st material response or ams 4967 federal specification 2nd material response
  • Surface Treatment
    Paint and lubricant
  • Surface Treatment Specification
    Nas4006 assn standard 1st treatment response and cetyl alcohol lubricant per mil-l-87132, type 3, grade b military specification 2nd 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 5305015209389

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
120-259V3A9 Bell Helicopter Textron Inc.
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