1-321-802-5889

NSN 5305-01-597-4681

Button Head Socket Screw

About this product

1.5 inches fastener length, flat fillister head style, hexagon internal drive style, thread diameter: 0.112 inches.

Manufacturer part number ANSIB18.3.1 4-40UNC-2A1-1/2SST for national stock number 5305015974681.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-597-4681.

  • MPN or Model

    ANSIB18.3.1 4-40UNC-2A1-1/2SST

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    1.5 inches
  • Fastener Length
    1.5 inches
  • Head Style
    Flat fillister
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.112 inches
  • Thready Qty Per Inch (tpi)
    40
  • Material
    Steel property class 18.8
  • Thread Series Designator
    Unc
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 5305015974681

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ANSIB18.3.1 4-40UNC-2A1-1/2SST American National Standards
HA1748A00 Ineo Defense Sophia
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