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NSN 5305-01-443-8437

Self-tapping Screw

About this product

0.750 inches fastener length, hexagon extended washer head style, 0.264 inches head height, width between flats: 0.500 inches .

Manufacturer part number FF-S-107 for national stock number 5305014438437.

Datasheet

  • Product description

    Tapping Screw NSN 5305-01-443-8437.

  • MPN or Model

    FF-S-107

  • Schedule B
    7318.14.0000 (Self-tapping screws of iron or steel)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Fastener Length
    0.750 inches
  • Head Style
    Hexagon extended washer
  • Head Height
    0.264 inches
  • Width Between Flats
    0.500 inches
  • Extended Washer Diameter
    Between 0.624 inches and 0.676 inches
  • Extended Washer Thickness
    Between 0.035 inches and 0.055 inches
  • Internal Drive Style
    W/o internal drive
  • Features Provided
    Casehardened
  • Hardness Rating
    45.0 rockwell c and 50.0 rockwell c
  • Nonmachine Thread Style
    Double flute (type f)
  • Nonmachine Thread Diameter
    0.312 inches
  • Material
    Steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524
  • Surface Treatment
    Zinc and chromate
  • Surface Treatment Specification
    Astm b633 assn standard single treatment response
  • Nondefinitive Specification/std Data
    F type
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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 5305014438437

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FF-S-107 Federal Specifications
12377969-2 U S Army Tank Automotive Command
Stock Check
Availability for this item was last checked on 04/06/23. The quantities and conditions available at the time were:
  • NS: 4446
  • NE: 813
  • OH: 68