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NSN 5305-01-557-8125

Button Head Socket Screw

About this product

1.250 inches fastener length, chamfer flange head style, 0.500 inches head height, width between flats: 0.375 inches .

Manufacturer part number NAS1351N8LN20 for national stock number 5305015578125.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-557-8125.

  • MPN or Model

    NAS1351N8LN20

  • 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
    1.250 inches
  • Fastener Length
    1.250 inches
  • Head Style
    Chamfer flange
  • Head Height
    0.500 inches
  • Width Between Flats
    0.375 inches
  • Extended Washer Diameter
    Between 0.735 inches and 0.750 inches
  • Locking Feature
    Pellet locking feature
  • Internal Drive Style
    Hexagon
  • End Application
    Aircraft, ac-130u
  • Thread Diameter
    0.500 inches
  • Width Across Flats
    0.375 inches
  • Thready Qty Per Inch (tpi)
    20
  • Part Name Assigned By Controlling Agency
    Screw, cap, socket head
  • Material
    Steel fastener
  • Thread Series Designator
    Unrf
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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 5305015578125

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1351N8LN20 National Aerospace Standards
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