Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RW4 790097-1 found under Plug Vent by David Brown Gear Systems Limited. The National Stock Number assigned to this part is 5340011944941, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RW4 790097-1.