Old Part Numbers: 058-00073/8" OD compression nut and sleeve (ferrule) for the air compressor transfer tube.

Old Part Numbers: CW000800AV, 69DJAAir compressor bleeder (unloader) valve. Replace if broken, but replace the check valve if this constantly leaks after the compressor shuts off.

CTB1412 hose barb fitting for air compressor in-tank check valve. A hose barb is defined as one or more continuous ridges or bumps on a fitting that are used to grip the inside diameter of a tube and seal the connection.