Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BA4160 found under Window Observation by Comtec Information Systems Inc. The National Stock Number assigned to this part is 9330001241931, 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 BA4160.