Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SEE SHEET NO. 1606 found under Clogging Ind Visual by Atico Internormen. The National Stock Number assigned to this part is 4330016022303, and the Federal Supply Class is 4330 Centrifugals Separators And Pressure And Vacuum Filters. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SEE SHEET NO. 1606.