1-321-802-5889

NSN 5305-00-027-5666

Button Head Socket Screw

About this product

0.250 inches fastener length, flat chamfer head style, between 0.136 inches and 0.140 inches head diameter, head height: between 0.083 inches and 0.096 inches .

Manufacturer part number NAS608-256-4 for national stock number 5305000275666.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-027-5666.

  • MPN or Model

    NAS608-256-4

  • 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
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.250 inches
  • Fastener Length
    0.250 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.136 inches and 0.140 inches
  • Head Height
    Between 0.083 inches and 0.096 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.086 inches
  • Width Across Flats
    Between 0.063 inches and 0.064 inches
  • Thready Qty Per Inch (tpi)
    56
  • Min. Tensile Strength (psi)
    130000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 43.0 rockwell c
  • Material
    Steel
  • Surface Treatment
    Oxide
  • Thread Series Designator
    Unc
  • Specification Data
    80205-nas608 professional/industrial association standard
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 5305000275666

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS608-256-4 National Aerospace Standards
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