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NSN 5305-01-439-6253

Button Head Socket Screw

About this product

Between 0.659 inches and 0.691 inches fastener length, flat chamfer head style, between 0.365 inches and 0.375 inches head diameter, head height: between 0.244 inches and 0.250 inches .

Manufacturer part number 112-0579-055 for national stock number 5305014396253.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-439-6253.

  • MPN or Model

    112-0579-055

  • 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
    0.604 inches
  • Fastener Length
    Between 0.659 inches and 0.691 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.365 inches and 0.375 inches
  • Head Height
    Between 0.244 inches and 0.250 inches
  • Hole Diameter
    Between 0.052 inches and 0.058 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.188 inches and 0.190 inches
  • Hole Quantity
    4
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hole Configuration Style
    Double hexagon flats
  • Material
    Steel comp 410 or steel comp 416
  • Material Specification
    Qq-s-763 federal specification all material responses
  • Surface Treatment
    Passivate
  • 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 5305014396253

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
112-0579-055 Sps Technologies, Llc
112-0579-055 Boeing Company, The
112-0579-055 Arconic Global Fasteners & Rings,
112-0579-055 B & B Specialties, Inc
Stock Check
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