Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DRW-02944-4 found under by C And C Supply. The National Stock Number assigned to this part is 4820012669580, 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 DRW-02944-4.