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NSN 5305-01-120-4359

Button Head Socket Screw

About this product

Threads to be double lead.

Manufacturer part number CA21131-4-2HS for national stock number 5305011204359.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-120-4359.

  • MPN or Model

    CA21131-4-2HS

  • 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.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.477 inches and 0.637 inches
  • Fastener Length
    Between 0.767 inches and 0.787 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.360 inches and 0.404 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    0.156 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    140000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches grip
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5732 assn standard single material response or ams 5737 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 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 5305011204359

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA21131-4-2HS Arconic Global Fasteners & Rings,
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