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NSN 5306-01-421-7578

Freight Car Flush Head Bolt

About this product

Square internal drive 0.368 in min 0.405 in max.

Manufacturer part number 1339AS1037-2 for national stock number 5306014217578.

Datasheet

  • Product description

    Square Neck Bolt NSN 5306-01-421-7578.

  • MPN or Model

    1339AS1037-2

  • 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
    2a
  • Thread Direction
    Right-hand
  • Fastener Length
    2.250 inches
  • Head Style
    Flat top elevator
  • Head Diameter
    1.310 inches
  • Neck Length
    Between 0.250 inches and 0.281 inches
  • Thread Diameter
    0.380 inches
  • Thready Qty Per Inch (tpi)
    16
  • Material
    Steel
  • Surface Treatment
    Zinc
  • Thread Series Designator
    Unc
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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 5306014217578

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1339AS1037-2 L A Benson Company Incorporated The
1339AS1037-2 Naval Air Systems Command
1339AS1037-2 Spencer Products Co Inc
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