Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 917-211-1800 found under by Sampo Hydraulics Oy. The National Stock Number assigned to this part is 5325016430641, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 917-211-1800.