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NSN 5305-00-004-0374

Button Head Socket Screw

About this product

Between 0.470 inches and 0.500 inches fastener length, flat chamfer head style, between 0.365 inches and 0.375 inches head diameter, head height: between 0.244 inches and 0.250 inches .

Manufacturer part number NAS1351-4H8 for national stock number 5305000040374.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-004-0374.

  • MPN or Model

    NAS1351-4H8

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.399 inches and 0.500 inches
  • Fastener Length
    Between 0.470 inches and 0.500 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.365 inches and 0.375 inches
  • Head Height
    Between 0.244 inches and 0.250 inches
  • Hole Diameter
    Between 0.044 inches and 0.050 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.188 inches and 0.190 inches
  • Hole Quantity
    6
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    38.0 rockwell c and 45.0 rockwell c
  • Minimum Yield Strength
    155000 pounds per square inch
  • Hole Configuration Style
    Round internal hexagon
  • Material
    Steel
  • Thread Series Designator
    Unrf
  • Specification Data
    80205-nas1351 professional/industrial association standard
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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 5305000040374

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1351-4H8 National Aerospace Standards
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