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NSN 5305-01-643-8119

High Torque Screw

About this product

Between 0.910 inches and 0.940 inches fastener length, flat countersunk head style, between 0.320 inches and 0.404 inches head diameter, spline major diameter: 0.155 inches .

Manufacturer part number NAS5310V3A9 for national stock number 5305016438119.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-643-8119.

  • MPN or Model

    NAS5310V3A9

  • 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
    0.363 inches
  • Fastener Length
    Between 0.910 inches and 0.940 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.320 inches and 0.404 inches
  • Spline Major Diameter
    0.155 inches
  • Grip Diameter
    Between 0.188 inches and 0.189 inches
  • Internal Drive Style
    Torx
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.552 inches and 0.572 inches
  • Features Provided
    Cetyl alcohol lubricant
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 129.0 degrees and 131.0 degrees
  • Part Name Assigned By Controlling Agency
    Screw shear, close tolerance
  • Material
    Titanium
  • Surface Treatment
    Aluminum
  • 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 5305016438119

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS5310V3A9 National Aerospace Standards
Stock Check
Availability for this item was last checked on 03/04/24. The quantities and conditions available at the time were:
  • NE: 3001