Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 053-1619-00 found under Reservoir Hydraulic by Paterson Limited T A Paterson. The National Stock Number assigned to this part is 4320015940779, 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 053-1619-00.