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NSN 5305-00-271-2020

Button Head Socket Screw

About this product

Between 0.490 inches and 0.510 inches fastener length, flat chamfer head style, between 0.428 inches and 0.448 inches head diameter, head height: between 0.250 inches and 0.270 inches .

Manufacturer part number AN148656 for national stock number 5305002712020.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-271-2020.

  • MPN or Model

    AN148656

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.439 inches and 0.510 inches
  • Fastener Length
    Between 0.490 inches and 0.510 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.428 inches and 0.448 inches
  • Head Height
    Between 0.250 inches and 0.270 inches
  • Hole Diameter
    0.070 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.219 inches and 0.221 inches
  • Hole Quantity
    6
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Hardness Rating
    32.0 rockwell c and 36.0 rockwell c
  • Hole Configuration Style
    Round
  • Surface Finish
    63.0 microinches bearing surface of head
  • Material
    Steel comp 8740
  • Material Specification
    Ams 6322 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Ams 2400 assn standard single treatment response
  • Thread Series Designator
    Unf
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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 5305002712020

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
AN148656 Aeronautical Standards Group
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