Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 215616-1 found under Window Observation by Data Products Corp. The National Stock Number assigned to this part is 9330003585648, and the Federal Supply Class is 9330 Plastics Fabricated Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 215616-1.