Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12198 found under Bolt Fluid Passage by Nmc Wollard Inc. The National Stock Number assigned to this part is 4730003840010, 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 12198.