Part #: TE4S416SU6A

4-Inch Thread On Stainless Steel Quick Connect Assembly, Black Viton A Gaskets

Salco Products (TE4S416SU6A) 4-Inch Thread On Stainless Steel Quick Connect Assembly, Black Viton A Gaskets fits a 5-1/4-inch rail road thread. The 4-inch quick connect adapter is made out of 316 stainless steel, and features a 4-inch cam groove along with 5-1/4-inch-4 Special 2A threads. The adapter comes with a 3/8-inch, 18-8 stainless steel, chain with 15 links, a 3/8-inch by 3-1/2-inch, 18-8 stainless steel, S-hook, a 3/8-inch by 1-3/4-inch, 18-8 stainless steel, hex bolt, a 3/8-inch, 18-8 stainless steel, lock nut with two 3/8-inch, 18-8 stainless steel, flat washers, and two 3/8-inch by 1/2-inch, 18-8 stainless steel, socket cap screws. The 4-inch, quick connect, thread on cap is made out of 416 stainless steel and features 5-1/4-inch-4 UN-2B threads along with a 1-inch NPT, 316 stainless steel, plug assembly. The plug assembly Includes a 1/4-inch, 18-8 stainless steel, chain of 15 links with an approximate length of 19-inches. The thread on cap comes with a 3/8-inch by 3-1/2-inch, 18-8 stainless steel, S-hook, a 304 stainless steel lock ring that connects to a 3/8-inch, 18-8 stainless steel, chain with a 3/8-inch by 2-1/4-inch, 18-8 stainless steel, hex bolt, a 3/8-inch, 18-8 stainless steel lock nut and two (2), 18-8 stainless steel ,flat washers. Length of chain is 15 links which is approximately 21-inches long. The quick connect assembly is about 9-inches high and comes with Black Viton A gaskets for the cap and adapter. AAR Approval # E-149523. Approved for DOT Stenciled Cars.

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Key features

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Provides direct connection to kam and grooved hoses or adapters, no additional components required.
3", 4" and 6" sizes.

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Reducing Flanges available.

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Designed to provide a secure fitting that will minimize leaks and spills.

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DOT (threaded) and AAR (kammed) approved designs.

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Assemblies include adapter, cap, plug, chain and gaskets.

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Available in Stainless Steel or Ductile Iron.

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Contact your Salco Representative for the specific adapter types and sizes that will fit your needs.

Specifications

Adapter Material
316 Stainless Steel
Cap Material
416 Stainless Steel
Gasket Material
Black Viton A
Location
Bottom
Size
4"

AAR Approval

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AAR Approval: E-149523

Resources

Product Card • December 17, 2025

Bottom Unloading Adapters