Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B72-8141-63LG found under Shaft Assembly Flexible by Rowan Bmi Corp. The National Stock Number assigned to this part is 3040004570298, 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 B72-8141-63LG.