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NSN 5305-01-597-1640

Button Head Socket Screw

About this product

0.500 inches fastener length, flat countersunk head style, 0.531 inches head diameter, locking feature: patch locking feature.

Manufacturer part number 1611203-9 for national stock number 5305015971640.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-597-1640.

  • MPN or Model

    1611203-9

  • 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
  • Fastener Length
    0.500 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.531 inches
  • Locking Feature
    Patch locking feature
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    20
  • Countersink Angle
    82.0 degrees
  • Part Name Assigned By Controlling Agency
    Screw, socket, flathead, self-locking
  • Material
    Steel
  • Material Specification
    Ff-s-86, ty iv federal specification single material response
  • Surface Treatment
    Zinc
  • Surface Treatment Specification
    Qq-z-325, ty ii, cl 3 federal specification single treatment response
  • Thread Series Designator
    Unc
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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 5305015971640

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1611203-9 Navair And Navsea Managed
1611203-9 Navair And Navsea Managed
Stock Check
Availability for this item was last checked on 05/06/24. The quantities and conditions available at the time were:
  • NE: 1