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NSN 5305-00-453-7885

High Torque Screw

About this product

Between 0.447 inches and 0.457 inches fastener length, pan no. 2 head style, 0.500 inches head diameter, head height: between 0.130 inches and 0.140 inches .

Manufacturer part number 12W9875-11 for national stock number 5305004537885.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-453-7885.

  • MPN or Model

    12W9875-11

  • 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 0.235 inches and 0.307 inches
  • Fastener Length
    Between 0.447 inches and 0.457 inches
  • Head Style
    Pan no. 2
  • Head Diameter
    0.500 inches
  • Head Height
    Between 0.130 inches and 0.140 inches
  • Grip Diameter
    Between 0.1880 inches and 0.1890 inches
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.190 inches
  • Grip Length
    0.150 inches
  • Thready Qty Per Inch (tpi)
    32
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp 630
  • Material Specification
    Fms0131 fscm 81755 mfr ref single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Mil-s-5002 military 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 5305004537885

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
12W9875-11 Lockheed Martin Corporation
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