1-321-802-5889

NSN 5305-01-081-0649

Button Head Socket Screw

About this product

Between 0.250 inches and 0.260 inches fastener length, flat countersunk head style, between 0.143 inches and 0.172 inches head diameter, locking feature: patch threads.

Manufacturer part number P39CRA256R4E for national stock number 5305010810649.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-081-0649.

  • MPN or Model

    P39CRA256R4E

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.157 inches and 0.213 inches
  • Fastener Length
    Between 0.250 inches and 0.260 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.143 inches and 0.172 inches
  • Locking Feature
    Patch threads
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.086 inches
  • Thready Qty Per Inch (tpi)
    56
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Stainless steel
  • Surface Treatment
    Passivate
  • 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 5305010810649

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P39CRA256R4E Nylok Corporation
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