Key Specifications / Parameters Part Number: 10A5411X022 Product Type: Seal Ring, spring‑loaded, radial design Material: Glass‑filled PTFE (or N10276/Glass‑Filled PTFE) Typical Valve Size Fitment: Approx 6″ (150 mm) 1500# type (or large bore industrial valve) Function: Provides radial sealing via spring‑loaded PTFE ring around plug/seat for control valves Service Conditions: Polymer seat service; when properly installed in compatible Fisher valve trims Application: Replacement ring used in high‑performance or legacy Fisher valves to restore sealing capability