Hobart 00-186656 Mixing Arm Drive Shaft Seal 4246 Mixer Grinder NOS Lot of 3. Lot of 3 genuine Hobart OEM Mixing Arm Drive Shaft Seals, Part Number 00-186656. These seals are designed for the mixing arm drive shaft assembly on Hobart 4246 commercial mixer grinders. They help provide a seal around the mixing arm drive shaft during operation. Description: Mixing Arm Drive Shaft Seal / Washer Seal. Compatible Models: Hobart 4246, 4246HD, 4246S. Application: Commercial Meat Mixer Grinder. Type: Genuine OEM Replacement Part. New Old Stock (NOS). All 3 seals appear unused and remain in their original Hobart packaging. Packaging shows dirt, discoloration, and shelf wear from long-term storage. Please review photos for exact condition. THANKS FOR LOOKING & GOOD LUCK!