Universalock Coupling Gasket;PK5; Series Not Applicable; Compatible with Grainger Part Number 6YZH1; 6YZH2; 6YZH3; 6YZH4; Product Type Universalock Coupling Gasket; Compatible with Manufacturer Part Number UCFL-50G; UCFL-75G; UCML-50G; UCML-75G; Compatible with Series Not Applicable; Compatible with Brand Universalock; Package Quantity 5