Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K16 133065 ITEM 4 found under Union Pipe by Scandinavian Boiler Serviceinc. The National Stock Number assigned to this part is 4730222691775, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K16 133065 ITEM 4.