Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2S4-C527-901C found under Cage Planetary by Mpc Products Corporation. The National Stock Number assigned to this part is 1680012882231, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2S4-C527-901C.