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NSN 5305-00-655-6740

Lag Screw

About this product

4.000 inches fastener length, square head style, 0.297 inches head height, width between flats: 0.625 inches .

Manufacturer part number FFB561 for national stock number 5305006556740.

Datasheet

  • Product description

    Lag Screw NSN 5305-00-655-6740.

  • MPN or Model

    FFB561

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Fastener Length
    4.000 inches
  • Head Style
    Square
  • Head Height
    0.297 inches
  • Width Between Flats
    0.625 inches
  • Min. Tensile Strength (psi)
    70000 pounds per square inch
  • Nonmachine Thread Style
    Gimlet point (type a, ab or ba)
  • Nonmachine Thread Diameter
    0.438 inches
  • Material
    Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 310 or steel comp 316
  • Material Specification
    66 federal standard all material responses
  • Surface Treatment
    Zinc
  • Nondefinitive Specification/std Data
    1 type and 2 style and c grade
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Lag Screw

An externally threaded fastener having a square or hexagon head and with a continuous thread (wood screw type or fetter type) extending from a gimlet or cone point for a distance of slightly more than one-half the length of the screw.

Mechanic Bill explains Lag Screw

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NSN 5305006556740

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FFB561 Federal Specifications
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