The SEALCON LLC part OR-38-BN is a high-quality Buna-N O-Ring specifically designed for 3/8 NPT connections. Buna-N is a highly durable synthetic rubber that offers excellent resistance to various chemicals, oils, and fuels, making it ideal for sealing applications in a wide range of industries. With its precise dimensions and reliable performance, this O-Ring ensures a reliable and leak-free connection. Trust SEALCON LLC to provide top-notch sealing solutions for your 3/8 NPT needs.