Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52D128-1 found under Shaft Tape Sheave by Yama Mfg Co Incorporated. The National Stock Number assigned to this part is 3040000179143, 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 52D128-1.