Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DEX001000020 found under Pipe Exhaust by Nmc Wollard Inc. The National Stock Number assigned to this part is 2990013185515, 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 DEX001000020.