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NSN 5305-01-273-2281

High Torque Screw

About this product

Between 1.073 inches and 1.103 inches fastener length, oval countersunk head style, between 0.297 inches and 0.301 inches head diameter, grip diameter: between 0.1885 inches and 0.1895 inches .

Manufacturer part number T181-2312 for national stock number 5305012732281.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-273-2281.

  • MPN or Model

    T181-2312

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.323 inches and 0.353 inches
  • Fastener Length
    Between 1.073 inches and 1.103 inches
  • Head Style
    Oval countersunk
  • Head Diameter
    Between 0.297 inches and 0.301 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    Torque-set ribbed
  • Thread Diameter
    0.190 inches
  • Grip Length
    0.750 inches
  • Features Provided
    Dry film lubricant
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    95000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Titanium alloy uns r56400
  • Material Specification
    Ams 4929 assn standard single material response or ams 4967 assn standard single material 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 5305012732281

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
T181-2312 Huck International, Inc.
SC1786RV3-12 Arconic Global Fasteners & Rings,
PBF1383-2312 Sps Technologies, Llc
123179V3R12 Sps Technologies, Llc
LE111-0041-2312 Boeing Company, The
T181-2312 Sps Technologies, Llc
T181-2312 Huck Intl Inc
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