Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45-522 0D found under Cleaner Vacuum Pneu by C And H Distributors. The National Stock Number assigned to this part is 7910011660681, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 45-522 0D.