This is a 6 Bolt PTO (Power Take Off) Mounting Gasket .010. Part of your PTO gasket & gasket kit components.
This part interchanges with the following part numbers: 13M25091, 13M35091, 35-P-9-1, 35P91, B35P91, GA6010, HM35P9-1, HMGA6010, MPN600002, P-19-0002, S-F064, WA35P91