Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3D40434ITEM1 found under Plate Retaining Sha by Westinghouse Electric Corp. The National Stock Number assigned to this part is 3040013516877, 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 3D40434ITEM1.