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NSN 5305-01-277-7326

High Torque Screw

About this product

O-ring inside dia 0.174 in. Min,0.184 in. Max; o-ring thickness 0.023 in. Min,0.027 in. Max.

Manufacturer part number 123463S3-17 for national stock number 5305012777326.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-277-7326.

  • MPN or Model

    123463S3-17

  • 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
    Between 0.338 inches and 0.388 inches
  • Fastener Length
    Between 1.411 inches and 1.441 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.339 inches and 0.381 inches
  • Head Height
    Between 0.044 inches and 0.046 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    Torque-set ribbed
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 1.053 inches and 1.073 inches
  • Features Provided
    O ring and cetyl alcohol lubricant
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 8740 fastener
  • Material Specification
    Mil-r-6855 cl1 gr 60 military specification single material response ring
  • Surface Treatment
    Cadmium fastener and chromate fastener
  • Surface Treatment Specification
    Qq-p-416 ty2 cl2 federal specification single treatment response fastener
  • 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 5305012777326

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
123463S3-17 Sps Technologies, Llc
HR243E3-17 Hi-shear Corporation
HR243E3-17 Lisi Aerospace Canada Corp
GB510DY3S17 Northrop Grumman Systems Corporation
HR243E3-17 Naval Inventory Control Point
HR243E3-17 Hi-shear Corporation
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