Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C159925 found under Parts Kit Turbochar by S I T Corporation. The National Stock Number assigned to this part is 2990003973412, 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 C159925.