Part #: K3SU2A

3-Inch Thread On Stainless Steel Quick Connect Assembly, White FDA Nitrile Gasket

Salco Products (K3SU2A) 3-Inch Thread On Stainless Steel Quick Connect Assembly, White FDA Nitrile Gasket fits a 5-1/4-inch rail road thread. The quick connect adapter is 6-1/2-inches high, made out of 316 stainless steel, and features a 3-inch cam groove. Includes 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 hex bolt, a 3/8-inch, 18-8 stainless steel lock nut, and a 3/8-inch, 18-8 stainless steel, flat washer. Comes with a white FDA nitrile gasket. The 3-inch, quick connect, cammed cap is made out of 316 stainless steel with 304 stainless steel straight cam arms. Features a 1-inch male NPT, 416 stainless steel, plug assembly with 1/4-inch, 18-8 stainless steel, swivel link, and 15 chain links with an approximate length of 19-inches. The cap includes two (2), 18-8 stainless steel, 3/8-inch by 3-1/2-inch S-hooks, and 3/8-inch, 18-8 stainless steel, chain of 15 links with an approximate length of 21-inches. Cap comes with a white FDA nitrile gasket. AAR Approval # E-139514. Not 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.
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.

Specifications

Adapter Material
316 Stainless Steel
Cap Material
316 Stainless Steel
Gasket Material
White FDA Nitrile
Location
Bottom
Size
3"

Resources

Product Card • December 17, 2025

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