Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K4SH10 found under Reducer 50 Hp by Siemens Industry Inc. The National Stock Number assigned to this part is 4320016194046, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K4SH10.