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NSN 5305-01-470-7020

Self-tapping Screw

About this product

Item is a self-tapping, removable, concrete anchor with a specially designed two lead thread, two threads of unequal size, larger diameter thread is notched at intervals along its length to facilitate tapping into masonry materials; a specially-sized carbide-tipped drill bit is suplied with each box of anchors for hole preparation; installation hole shouldbe drilled to not less than one-quarter inch deeper than the anchor penetration into the masonry; the finish has a proprietary synthetic polymer coating; the end item identification is the next generation radar (nexrad), which is used by the national weather service (nws).

Manufacturer part number 3153407 for national stock number 5305014707020.

Datasheet

  • Product description

    Tapping Screw NSN 5305-01-470-7020.

  • MPN or Model

    3153407

  • Schedule B
    7318.14.0000 (Self-tapping screws of iron or steel)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Fastener Length
    Between 1.2032 inches and 1.2968 inches
  • Head Style
    Chamfer flange
  • Head Height
    Between 0.170 inches and 0.190 inches
  • Width Between Flats
    Between 0.305 inches and 0.310 inches
  • Extended Washer Diameter
    Between 0.398 inches and 0.432 inches
  • Internal Drive Style
    Slot
  • End Application
    Radar
  • Nonmachine Thread Style
    Cone point (type bp)
  • Nonmachine Thread Diameter
    0.260 inches
  • Material
    Steel comp 1022
  • Material Specification
    Fed-std-66 federal standard single material 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 5305014707020

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3153407 Illinois Tool Works Inc
1217031-201 Lockheed Martin Corporation
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