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NSN 5305-00-208-8576

Button Head Socket Screw

About this product

Between 0.302 inches and 0.322 inches fastener length, flat chamfer head style, between 0.428 inches and 0.440 inches head diameter, head height: between 0.303 inches and 0.323 inches .

Manufacturer part number 188991 for national stock number 5305002088576.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-208-8576.

  • MPN or Model

    188991

  • 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 0.212 inches and 0.232 inches
  • Fastener Length
    Between 0.302 inches and 0.322 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.428 inches and 0.440 inches
  • Head Height
    Between 0.303 inches and 0.323 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.218 inches and 0.220 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    155000 pounds per square inch
  • Hardness Rating
    35.0 rockwell c
  • Surface Finish
    40.0 microinches bearing surface of head
  • Material
    Steel comp 416se or steel comp 303 or steel comp 303 plus x
  • 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 5305002088576

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
188991 Honeywell International Inc.
Stock Check
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