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NSN 5305-01-049-6557

Button Head Socket Screw

About this product

Between 1.734 inches and 1.781 inches fastener length, flat chamfer head style, between 0.262 inches and 0.270 inches head diameter, head height: between 0.159 inches and 0.164 inches .

Manufacturer part number 20098-98C-28 for national stock number 5305010496557.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-049-6557.

  • MPN or Model

    20098-98C-28

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.875 inches
  • Fastener Length
    Between 1.734 inches and 1.781 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.262 inches and 0.270 inches
  • Head Height
    Between 0.159 inches and 0.164 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.164 inches
  • Width Across Flats
    Between 0.141 inches and 0.143 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Hardness Rating
    80.0 rockwell b
  • Material
    Steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303f or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 385
  • Surface Treatment
    Passivate
  • 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 5305010496557

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20098-98C-28 Sps Technologies, Llc
3141513-01 The Boeing Company
20098-98C-28 Sps Technologies, Llc
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