Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 233-3525-004C found under Shaft And Spring Assembly Pressure Regulator by Mpc Products Corporation. The National Stock Number assigned to this part is 3040013170253, 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 233-3525-004C.