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NSN 5305-01-216-6621

Captive Screw

About this product

Screw has externally relieved body 0.135 min. 0.140 max.; head has secondary slot drive; sleeve has hex drive; sleeve has internal threads 0.312-24 unf-3b.

Manufacturer part number 72B235019-1001 for national stock number 5305012166621.

Datasheet

  • Product description

    Panel Screw Assembly NSN 5305-01-216-6621.

  • MPN or Model

    72B235019-1001

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.610 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    0.310 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.190 inches
  • Width Across Flats
    0.156 inches
  • Thready Qty Per Inch (tpi)
    32
  • Material
    Steel comp 302 spring
  • Material Specification
    Qq-w-423 federal specification single material response spring
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unf
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Panel Screw Assembly

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Mechanic Bill explains Captive Screw

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NSN 5305012166621

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
72B235019-1001 Boeing Company, The
CA28044-12 Arconic Global Fasteners & Rings,
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