Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 427 210 125 found under Housingmechanical Drive by Hayes And Stolz Industrial. The National Stock Number assigned to this part is 3040016870609, 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 427 210 125.