Ultra Pressure Components Series 5406C Female Type M Cap Adapters are designed to cap Type M swivel hose end fittings with a 58-degree cone seal. They are built to handle working pressures up to 50,000 psi (3447 bar) and are constructed from durable cold-worked 316 stainless steel. These adapters ensure a secure seal and protect the fittings from damage and contamination. Special material options are available upon request.