Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D-42085 PIECE 49 found under Window Observation by University Swaging Corporation. The National Stock Number assigned to this part is 9340002689831, and the Federal Supply Class is 9340 Glass Fabricated Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D-42085 PIECE 49.