Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B-SC76F67 SH6 P N 944-HHUB found under Collar Shaft by Railway Specialties Corporation. The National Stock Number assigned to this part is 3040015029580, 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 B-SC76F67 SH6 P N 944-HHUB.