4-Inch Thread On Ductile Iron Quick Connect Assembly, Black Nitrile Gasket

Part #: K4IU1A

Salco Products (K4IU1A) 4-Inch Thread On Ductile Iron Quick Connect Assembly, Black Nitrile Gasket fits a 5-1/4-inch rail road thread. The quick connect adapter is 6-1/2-inches high, made out of ductile iron, and features a 4-inch cam groove. Includes a 3/8-inch, carbon steel, chain with 15 links, a 3/8-inch by 3-1/2-inch, zinc plated carbon steel, S-hook, a 3/8-inch by 1-3/4-inch, zinc plated carbon steel, hex bolt, a 3/8-inch, zinc plated carbon steel, nut, and a 3/8-inch, zinc plated carbon steel, flat washer. Comes with a black nitrile gasket. The 4-inch, quick connect, cammed cap is made out of ductile iron with 304 stainless steel straight cam arms. Features a 1-inch male NPT, carbon steel, plug assembly with 1/4-inch, carbon steel, swivel link and 15 chain links with an approximate length of 19-inches. The cap includes two (2), zinc plated carbon steel, 3/8-inch by 3-1/2-inch S-hooks, and 3/8-inch, 18-8 carbon steel, chain of 15 links with an approximate length of 21-inches. Cap comes with a Black Nitrile gasket. AAR Approval # E-139514. Not Approved for DOT Stenciled Cars.

Key Features

  • Provides direct connection to kam and grooved hoses or adapters, no additional components required.
  • 3", 4" and 6" sizes.
  • Reducing Flanges available.
  • Designed to provide a secure fitting that will minimize leaks and spills.
  • DOT (threaded) and AAR (kammed) approved designs.
  • Assemblies include adapter, cap, plug, chain and gaskets.
  • Available in Stainless Steel or Ductile Iron.
  • Contact your Salco Representative for the specific adapter types and sizes that will fit your needs.

Replacement Parts