Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 843933-1-Y-16 found under Plate Legend by Teledyne Technologies Incorporated. The National Stock Number assigned to this part is 1560012392240, 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 843933-1-Y-16.