Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 181B97 found under Shaft Vane by Seaview Electric Co. The National Stock Number assigned to this part is 3040006319419, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 181B97.