Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16P249-1 found under Air Tube by W K Engineering International Inc. The National Stock Number assigned to this part is 1560014669011, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 16P249-1.