Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8H4681 found under Filter Element Fluid by Holt Company Of Ohio. The National Stock Number assigned to this part is 4330012946109, 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 8H4681.