Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 33STD found under Tractor Wheeled Industrial by Massey Ferguson Inc. The National Stock Number assigned to this part is 2420001900054, and the Federal Supply Class is 2420 Tractors Wheeled. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 33STD.