Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D4481X22-35 found under Roller Lock by Dover Corp. The National Stock Number assigned to this part is 3950000072319, and the Federal Supply Class is 3950 Winches Hoists Cranes And Derricks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D4481X22-35.