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NSN 5305-01-127-3755

High Torque Screw

About this product

Between 0.800 inches and 0.805 inches fastener length, flat chamfer head style, 0.281 inches head diameter, head height: between 0.120 inches and 0.130 inches .

Manufacturer part number 172B4136P2 for national stock number 5305011273755.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-127-3755.

  • MPN or Model

    172B4136P2

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.220 inches and 0.250 inches
  • Fastener Length
    Between 0.800 inches and 0.805 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    0.281 inches
  • Head Height
    Between 0.120 inches and 0.130 inches
  • Grip Diameter
    Between 0.1870 inches and 0.1872 inches
  • Shank Unthreaded Hole Diameter
    0.062 inches first hole and 0.067 inches first hole
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.550 inches and 0.585 inches
  • Thready Qty Per Inch (tpi)
    32
  • Hardness Rating
    32.0 rockwell c and 38.0 rockwell c
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    0.710 inches first hole and 0.735 inches first hole
  • Surface Finish
    63.0 microinches sides of head
  • Material
    Steel comp 630
  • Material Specification
    Ams 5643 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unf
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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 5305011273755

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
172B4136P2 Bae Systems Controls Inc.
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