Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SDD-16019 PIECE 009 found under Ring Retaining by Imo Industries Inc. The National Stock Number assigned to this part is 5325011339341, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SDD-16019 PIECE 009.