Mirro Pressure Cooker Model “92040”. Parts List for Mirro Matic “92040” Pressure Cooker. Mirro® parts for the Mirro® model “92040” may be ordered on-line using the links below. Mirro 98500 Gasket 98500Regular price: $10.99Sale price: $8.99 Mirro 98506 Pressure Control Weight 98506$25.00 Mirro 98504 Safety Valve 98504$4.99 6 3/4 in. dia Canning Rack 341$7.49 *Orders placed before 2:00 PM ET will ship same day. Orders placed after 2:00 PM will ship next business day! *”Guaranteed to fit” Mirro pressure cooker parts must be installed correctly and pressure cooker must not be modified from OEM. Mirro Matic® original equipment manufacturer * IN STOCK ITEMS