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NSN 5305-01-263-8830

Button Head Socket Screw

About this product

Locking element shall begin no more than two and one half threads from screw end.

Manufacturer part number S20620-1 for national stock number 5305012638830.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-263-8830.

  • MPN or Model

    S20620-1

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.398 inches and 0.471 inches
  • Fastener Length
    Between 0.470 inches and 0.500 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.143 inches and 0.172 inches
  • Locking Feature
    Patch threads
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.086 inches
  • Thready Qty Per Inch (tpi)
    56
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp 321 fastener or steel comp 302 fastener or steel comp 303 fastener or steel comp 347 fastener
  • Material Specification
    Mil-f-18240 military specification single material response locking feature
  • Surface Treatment
    Passivate fastener
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response fastener
  • Thread Series Designator
    Unc
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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 5305012638830

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
S20620-1 Nylok Corporation
704AS9843-1 Naval Air Systems Command
899843-1 Raytheon Company
899843-5 Raytheon Company
S20620-5 Nylok Corporation
704AS9843-5 Naval Air Systems Command
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