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NSN 5305-01-118-9593

Button Head Socket Screw

About this product

Threads to be double lead.

Manufacturer part number GS520CK4-08 for national stock number 5305011189593.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-118-9593.

  • MPN or Model

    GS520CK4-08

  • 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 0.636 inches
  • Fastener Length
    Between 1.187 inches and 1.207 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.394 inches and 0.404 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.1409 inches and 0.1426 inches
  • Thready Qty Per Inch (tpi)
    28
  • 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 4140 or steel comp 8740
  • Material Specification
    Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl2 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 5305011189593

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
GS520CK4-08 Arconic Global Fasteners & Rings,
GS520CK4-08 Fastener Innovation Technology, Inc.
CA21070-4-8HS Arconic Global Fasteners & Rings,
GS520CK4-08 Northrop Grumman Systems Corporation
Stock Check
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