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NSN 5305-01-231-1298

Self-tapping Screw

About this product

Between 0.984 inches and 1.016 inches fastener length, hexagon extended washer head style, between 0.115 inches and 0.160 inches head height, width between flats: between 0.244 inches and 0.250 inches .

Manufacturer part number 1640810 for national stock number 5305012311298.

Datasheet

  • Product description

    Tapping Screw NSN 5305-01-231-1298.

  • MPN or Model

    1640810

  • Schedule B
    7318.14.0000 (Self-tapping screws of iron or steel)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.1 lb
  • Fastener Length
    Between 0.984 inches and 1.016 inches
  • Head Style
    Hexagon extended washer
  • Head Height
    Between 0.115 inches and 0.160 inches
  • Width Between Flats
    Between 0.244 inches and 0.250 inches
  • Extended Washer Diameter
    Between 0.322 inches and 0.348 inches
  • Extended Washer Thickness
    Between 0.019 inches and 0.050 inches
  • Internal Drive Style
    W/o internal drive
  • Features Provided
    Casehardened
  • Hardness Rating
    80.0 rockwell b and 107.0 rockwell b
  • Nonmachine Thread Style
    Dog type (type b or c)
  • Nonmachine Thread Diameter
    0.164 inches
  • Material
    Steel
  • Material Specification
    G-6010-m fscm 24617 mfr ref single material response
  • Surface Treatment
    Phosphate
  • Surface Treatment Specification
    G-4435-m fscm 24617 mfr ref single treatment response
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Tapping Screw

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Mechanic Bill explains Self-tapping Screw

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NSN 5305012311298

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1640810 General Motors Llc
1640810 General Motors Corp
9423010 General Motors Corp
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