Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3-4IN202AS4 found under Valve Delivery by Young And Cunningham Glasgow Ltd. The National Stock Number assigned to this part is 4320004279559, 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 3-4IN202AS4.