1-321-802-5889

NSN 5305-01-612-2556

Button Head Socket Screw

About this product

Between 7.4 millimeters and 7.5 millimeters fastener length, flat fillister head style, between 4.33 millimeters and 4.50 millimeters head diameter, head height: between 2.40 millimeters and 2.50 millimeters .

Manufacturer part number B18.3.1M-1986 for national stock number 5305016122556.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-612-2556.

  • MPN or Model

    B18.3.1M-1986

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Direction
    Right-hand
  • Thread Length
    5.0 millimeters
  • Fastener Length
    Between 7.4 millimeters and 7.5 millimeters
  • Head Style
    Flat fillister
  • Head Diameter
    Between 4.33 millimeters and 4.50 millimeters
  • Head Height
    Between 2.40 millimeters and 2.50 millimeters
  • Internal Drive Style
    Hexagon
  • End Application
    1425-01-442-4821
  • Thread Diameter
    2.50 millimeters
  • Width Across Flats
    2.0 millimeters
  • Thread Pitch In Millimeters
    0.45
  • Part Name Assigned By Controlling Agency
    Metric socket thread cap screw
  • Material
    Stainless steel
  • Material Specification
    A1-70 iaw astm a380 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Cleaned, descaled, passivated iaw astm a380 assn standard single treatment response
  • Thread Series Designator
    M
  • Specification Data
    80204-asme/ansi b18.3.1m-1986 professional/industrial association standard
  • Nondefinitive Specification/std Data
    D material and h style and 025005 size
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 5305016122556

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B18.3.1M-1986 American National Standards
B1831DH025005N American National Standards
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