Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMM118C3 found under Washer Recessed by Spectra Precision Surveying Inc. The National Stock Number assigned to this part is 5310014307426, 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 AMM118C3.