Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 472-7DET12 found under Washer Flat by Machine Products Co Inc. The National Stock Number assigned to this part is 5310002988170, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 472-7DET12.