Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1-16IN. C0LD CU found under Beads Coalescing by Parmatic Pollution Control. The National Stock Number assigned to this part is 4330012621237, 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 1-16IN. C0LD CU.