Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CRU 120 A found under Regulator Oxygen Ba by Aeronautical And Support Equipment. The National Stock Number assigned to this part is 1660014733550, and the Federal Supply Class is 1660 Aircraft Air Conditioning Heating And Pressurizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CRU 120 A.