Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP18972 found under Muffler Exhaust by Draeger Safety Ag And Co Kgaa. The National Stock Number assigned to this part is 2990123387659, 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 SP18972.