Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2805-3BB1 found under Regulator Oxygen Barometric Cont by Honeywell Intl Inc. The National Stock Number assigned to this part is 1660000951178, 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 2805-3BB1.