Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 18Z1619D1 found under Ring Guide by Morris Material Handling Inc. The National Stock Number assigned to this part is 2590004913449, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 18Z1619D1.