Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50890-1100 found under Pumping Unit Sewage by Itt Jabsco Products. The National Stock Number assigned to this part is 4630016717351, and the Federal Supply Class is 4630 Sewage Treatment Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 50890-1100.