Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52331220 found under Cap Filler Opening by Atlas Copco Inc. The National Stock Number assigned to this part is 2590015330377, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 52331220.