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NSN 5305-01-278-1991

Button Head Socket Screw

About this product

Two slot cut out at 180 degrees,0.608 in. Length,0.044min in. And 0.054 max in. Width.

Manufacturer part number CA21241C-10-3-11 for national stock number 5305012781991.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-278-1991.

  • MPN or Model

    CA21241C-10-3-11

  • 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
    Between 0.432 inches and 0.494 inches
  • Fastener Length
    Between 0.678 inches and 0.698 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.105 inches and 0.120 inches
  • Width Between Flats
    Between 0.305 inches and 0.314 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.190 inches
  • Width Across Flats
    0.125 inches
  • Thready Qty Per Inch (tpi)
    32
  • Material
    Steel comp 301 or steel comp 302 or steel comp 302b 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 347 or steel comp 348 or steel comp 384 or steel comp 385
  • Material Specification
    Qq-s-763 federal specification all material responses
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2 class 2 federal specification 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 5305012781991

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA21241C-10-3-11 Arconic Global Fasteners & Rings,
C9747-3-3-11 Lockheed Martin Corporation
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