Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ND40069PC1STD found under Throat Ring Oil Burner by Todd Shipyards Corp. The National Stock Number assigned to this part is 4530010191846, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ND40069PC1STD.