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NSN 5305-00-492-8689

Button Head Socket Screw

About this product

0.625 inches fastener length, flat chamfer head style, 0.375 inches head diameter, head height: 0.250 inches .

Manufacturer part number 509440-45 for national stock number 5305004928689.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-492-8689.

  • MPN or Model

    509440-45

  • 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
    0.562 inches
  • Fastener Length
    0.625 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    0.375 inches
  • Head Height
    0.250 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.188 inches and 0.190 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 43.0 rockwell c
  • Minimum Yield Strength
    130000 pounds per square inch
  • Material
    Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
  • Material Specification
    Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
  • Thread Series Designator
    Unc
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Socket Head Cap Screw

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Mechanic Bill explains Button Head Socket Screw

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NSN 5305004928689

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
509440-45 Naval Air Warfare Center Aircraft
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