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NSN 5306-00-908-9454

Freight Car Flush Head Bolt

About this product

One 0.069 in. Dia hole thru shank located 0.710in. From head.

Manufacturer part number 3F21256-101 for national stock number 5306009089454.

Datasheet

  • Product description

    Square Neck Bolt NSN 5306-00-908-9454.

  • MPN or Model

    3F21256-101

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    095190 - Hardware, NOI Sub 9
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    2.060 inches
  • Fastener Length
    2.970 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.875 inches
  • Neck Length
    0.410 inches
  • Thread Diameter
    0.500 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    200000 pounds per square inch
  • Countersink Angle
    80.0 degrees
  • Neck Width
    0.500 inches
  • Material
    Steel comp 4140
  • Thread Series Designator
    Unf
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Square Neck Bolt

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Mechanic Bill explains Freight Car Flush Head Bolt

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NSN 5306009089454

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3F21256-101 Lockheed Martin Corporation
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