Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QS3285-425 found under Parts Kit Hand Engi by Cooper Industries Inc. The National Stock Number assigned to this part is 2990000187201, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like QS3285-425.