Gloxco brand polypropylene cam and groove dust cap. This type DC camlock (Cam and Groove) fitting has a female quick connect coupling that attaches to and standard male cam and groove coupling. The body is made of polypropylene. This fitting's seal is made of NBR (Buna-N) rubber. Buna-N seals are resistant to fuel, oil, and other chemicals. The cam arms are made of stainless steel and includes two locking cotter pins. These Type DC cam and groove fitting is made to quickly connect or disconnect. They comply with commercial item description A-A-59326D for quick disconnect fittings. These camlock fittings are often used in applications such as vacuum trucks, vacuum trailers, frac tanks, fuel delivery, grain movement and waste water industry. Camlock (cam and groove) fittings are popular couplings because they are economical and can easily be connected and disconnected. In addition to this cam and groove dust cap, Gloxco offers a full line of hose fittings with various types of connections. Gloxco hose fittings are used in systems such as air compressors, oilfield water distribution, vacuum trailer, vacuum trucks, frac tanks, storage tanks, agriculture, mining, road construction, fire fighting, and aviation industry. Warning: Type DC cam and groove fittings, or any other camlock fitting, should not be used for compressed air or steam.