Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WAV 870 ITEM K17 found under Piston Clutch Shaft Assembly by Senner Karl Inc. The National Stock Number assigned to this part is 2520013252915, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WAV 870 ITEM K17.