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NSN 5305-01-286-9180

Button Head Socket Screw

About this product

Deep splines 120 degrees apart; 0.040 wide x 0.029; 0.112 in. Dia hole for ca2105 cagec 29372 plug.

Manufacturer part number CA21287-4-1HS for national stock number 5305012869180.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-286-9180.

  • MPN or Model

    CA21287-4-1HS

  • 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
    0.419 inches
  • Fastener Length
    Between 0.534 inches and 0.544 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.394 inches and 0.404 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.1562 inches and 0.1587 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches grip
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5731 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 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 5305012869180

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA21287-4-1HS Arconic Global Fasteners & Rings,
717801668-003 Lockheed Martin Corporation
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