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NSN 5305-01-644-4234

High Torque Screw

About this product

Between 0.449 inches and 0.479 inches fastener length, undercut pan no. 2 head style, between 0.306 inches and 0.322 inches head diameter, head height: between 0.105 inches and 0.115 inches .

Manufacturer part number NAS5314V08A3 for national stock number 5305016444234.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-644-4234.

  • MPN or Model

    NAS5314V08A3

  • 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
    0.276 inches
  • Fastener Length
    Between 0.449 inches and 0.479 inches
  • Head Style
    Undercut pan no. 2
  • Head Diameter
    Between 0.306 inches and 0.322 inches
  • Head Height
    Between 0.105 inches and 0.115 inches
  • Spline Major Diameter
    0.155 inches
  • Grip Diameter
    Between 0.162 inches and 0.163 inches
  • Internal Drive Style
    Torx
  • Thread Diameter
    0.164 inches
  • Grip Length
    Between 0.178 inches and 0.198 inches
  • Thready Qty Per Inch (tpi)
    32
  • Part Name Assigned By Controlling Agency
    Screw, shear, pan head, close tolerance, short thread, six lobe recess
  • Material
    Titanium alloy uns r54520
  • Surface Treatment
    Paint and lubricant
  • Thread Series Designator
    Unjc
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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 5305016444234

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS5314V08A3 National Aerospace Standards
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