Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J 230E LEATHER MUZZLE XL found under Muzzle Dog by Patterson Veterinary Supplyinc. The National Stock Number assigned to this part is 3770015762629, and the Federal Supply Class is 3770 Saddlery Harness Whips And Related Animal Furnishings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like J 230E LEATHER MUZZLE XL.