Danco, Inc. 30019E Bibb Seat, for Use with American Standard Faucets, No 20, 7/16-24 Threaded, Plated, Brass N/A Imported Durable brass construction Replaces American Standard OEM Ref # 862-1 (New) Repairs leaks in faucets 7/16 in. thread diameter 24 threads 9/16 in O.D. X 13/32 in. height 2/package