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NSN 5305-01-196-0227

Button Head Socket Screw

About this product

3 keyways 0.035 in. Min and 0.045 in. Max wide,0.024 in. Min and 0.034 in. Max deep machined in shank,bore machined in thread end to receive plug.

Manufacturer part number CA21070-4-12HS for national stock number 5305011960227.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-196-0227.

  • MPN or Model

    CA21070-4-12HS

  • 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)
  • Unit Weight (Est.)
    1.7 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.477 inches and 0.636 inches
  • Fastener Length
    Between 1.467 inches and 1.487 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.360 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.141 inches and 0.143 inches
  • Thready Qty Per Inch (tpi)
    88
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel comp 8740 or steel comp 4140
  • Material Specification
    Mil-s-6049 military specification 1st material response or mil-s-5626 military specification 2nd material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2 cl 2 federal specification single treatment response
  • Thread Series Designator
    Unf
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Socket Head Cap Screw

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Mechanic Bill explains Button Head Socket Screw

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NSN 5305011960227

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA21070-4-12HS Arconic Global Fasteners & Rings,
GS520CK4-12 Northrop Grumman Systems Corporation
GS520CK4-12 Fastener Innovation Technology, Inc.
Stock Check
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