Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y7072 found under Cap Filler Opening by Dresser Industries Inc. The National Stock Number assigned to this part is 2590002000022, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like Y7072.