1-321-802-5889

NSN 5305-00-205-3109

Self-tapping Screw

About this product

0.250 inches fastener length, button head style, between 0.241 inches and 0.258 inches head diameter, head height: between 0.059 inches and 0.069 inches .

Manufacturer part number S1021Z4-4 for national stock number 5305002053109.

Datasheet

  • Product description

    Tapping Screw NSN 5305-00-205-3109.

  • MPN or Model

    S1021Z4-4

  • 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
    0.250 inches
  • Head Style
    Button
  • Head Diameter
    Between 0.241 inches and 0.258 inches
  • Head Height
    Between 0.059 inches and 0.069 inches
  • Internal Drive Style
    Cross recess type 1
  • Features Provided
    Casehardened
  • Nonmachine Thread Style
    Dog type (type b or c)
  • Nonmachine Thread Diameter
    0.112 inches
  • Material
    Steel
  • Surface Treatment
    Cadmium
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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 5305002053109

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
S1021Z4-4 Cessna Aircraft Company
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