Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number OD 15 05 21 3DS000 found under Cartridge Check Val by Bosch Rexroth Corporation. The National Stock Number assigned to this part is 4820015973529, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like OD 15 05 21 3DS000.