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NSN 5305-01-168-3920

Button Head Socket Screw

About this product

Between 5.880 inches and 6.000 inches fastener length, flat countersunk head style, between 1.112 inches and 1.188 inches head diameter, locking feature: strip threads or pellet threads or patch threads.

Manufacturer part number 203-4678499 ITEM 23 for national stock number 5305011683920.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-168-3920.

  • MPN or Model

    203-4678499 ITEM 23

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • NMF (National Motor Freight)
    139820 - Nickel Bolts/nails/nuts/rivets Etc
  • Unit Weight (Est.)
    0.5 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 2.130 inches and 2.700 inches
  • Fastener Length
    Between 5.880 inches and 6.000 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 1.112 inches and 1.188 inches
  • Locking Feature
    Strip threads or pellet threads or patch threads
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.625 inches
  • Width Across Flats
    0.375 inches
  • Thready Qty Per Inch (tpi)
    11
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Minimum Yield Strength
    40000 pounds per square inch
  • Countersink Angle
    82.0 degrees
  • Material
    Plastic locking feature
  • Material Specification
    Qq-n-281 federal specification single material response fastener
  • Thread Series Designator
    Unc
  • Nondefinitive Specification/std Data
    4 type
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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 5305011683920

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
203-4678499 ITEM 23 Naval Ship Systems Command
FF-S-86 Federal Specifications
87713-0304 ITEM 23 Electric Boat Corporation
Stock Check
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