Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SX-18 REF.NO. 106 found under Roller Conveyor by Chicago Dryer Co. The National Stock Number assigned to this part is 3910014378937, and the Federal Supply Class is 3910 Conveyors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SX-18 REF.NO. 106.