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NSN 5305-01-309-7044

Button Head Socket Screw

About this product

Knurled head optional.

Manufacturer part number 6242857-38 for national stock number 5305013097044.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-309-7044.

  • MPN or Model

    6242857-38

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    1.000 inches
  • Fastener Length
    1.500 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    0.375 inches
  • Head Height
    0.250 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.178 inches and 0.198 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Minimum Yield Strength
    80000 pounds per square inch
  • Color
    Gray
  • Material
    Stainless steel
  • Surface Treatment
    Ceramic
  • Surface Treatment Specification
    Mil-c-81751, type 1 cl 4 military 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 5305013097044

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
6242857-38 Naval Sea Systems Command
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