Ultra Pressure Components Series 5404 Male NPT x Male BSP Adapters connect NPT (National Pipe Taper) fittings with BSP (British Straight Pipe) fittings. NPT fittings are capable of handling pressures up to 15,000 psi (1034 bar), though this can vary based on thread size, and are made from cold-worked 316 stainless steel. In comparison, BSP fittings feature a straight thread cone seal and are rated for pressures up to 30,000 psi (2068 bar), also constructed from cold-worked 316 stainless steel. These adapters ensure a reliable and durable connection between different types of fittings, with custom material options available upon request.