1-321-802-5889

NSN 5305-00-285-7505

Self-tapping Screw

About this product

0.375 inches fastener length, flat countersunk head style, between 0.249 inches and 0.279 inches head diameter, internal drive style: cross recess type 1.

Manufacturer part number MS21207-6-6 for national stock number 5305002857505.

Datasheet

  • Product description

    Tapping Screw NSN 5305-00-285-7505.

  • MPN or Model

    MS21207-6-6

  • 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
    0.375 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.249 inches and 0.279 inches
  • Internal Drive Style
    Cross recess type 1
  • Features Provided
    Casehardened
  • Nonmachine Thread Style
    Dog type (type b or c)
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Nonmachine Thread Diameter
    0.138 inches
  • Material
    Steel
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2, class 3 federal specification single treatment response
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 5305002857505

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21207-6-6 Military Standards
FFS107 Federal Specifications
40-39Z6-6 Lockheed Martin Corporation
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