Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LD1912-1R1-14A found under Seal Ring by Grundfos Cbs Inc. The National Stock Number assigned to this part is 5330000582903, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LD1912-1R1-14A.