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NSN 5305-00-938-2193

Captive Screw

About this product

Flat chamfer head style, between 0.256 inches and 0.270 inches head diameter, 0.138 inches thread diameter, thready qty per inch (tpi): 32.

Manufacturer part number CA3040-4HS for national stock number 5305009382193.

Datasheet

  • Product description

    Panel Screw Assembly NSN 5305-00-938-2193.

  • MPN or Model

    CA3040-4HS

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.195 inches and 0.250 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.256 inches and 0.270 inches
  • Thread Diameter
    0.138 inches
  • Thready Qty Per Inch (tpi)
    32
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 302 spring or steel comp 316 spring
  • Material Specification
    Mil-s-7720 military specification all material responses stand-off
  • Surface Treatment
    Passivate stand-off
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response stand-off
  • Thread Series Designator
    Unc
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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 5305009382193

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA3040-4HS Arconic Global Fasteners & Rings,
952164-4 Northrop Grumman Systems Corporation
CA3040-4HS Arconic Global Fasteners & Rings,
952164-4 Northrop Grumman Systems Corporation
Stock Check
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