Swagelok SS-4-VCR-1 VCR Nut

Swagelok SS-4-VCR-1 is a 316 stainless steel female VCR face-seal nut sized for 1/4 in. connections. It is part of Swagelok's VCR metal gasket face-seal fittings and is designed to seal against a mating VCR end with a compatible gasket to form a leak-tight connection in high-purity gas and vacuum systems. The 316 stainless steel construction provides robust corrosion resistance and broad compatibility with gases and liquids used in demanding process environments, making it suitable for semiconductor process lines, analytical instrumentation, and chemical-processing equipment where reliable, repeatable VCR connections are essential. This nut is intended to be paired with a matching VCR male end (such as SS-4-VCR-4) and the appropriate gasket to complete the joint and achieve the intended seal. Swagelok’s VCR family emphasizes precise machining, durable materials, and configuration options that support a range of installation geometries in high-purity and high-vacuum applications, ensuring consistent performance across repeated assemblies in critical systems.