Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F-SD-2090 TY1 SZ2.625XF91MO15M found under Seal Assembly Shaft Spring Loade by Emc Corp. The National Stock Number assigned to this part is 4320012107390, 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 F-SD-2090 TY1 SZ2.625XF91MO15M.