Key Specifications / Parameters Part Number: 2E 669902202 Product Type: Actuator diaphragm Material: Nitrile elastomer (NBR) Compatible Actuator Model: Fisher Type 667, size range 34/40 Diameter: ~13.125 inches (13‑1/8″) Mounting Hole Count: 16 holes around the periphery Weight: ~0.65 lbs (as listed) Status: Discontinued by manufacturer (legacy spare part)