Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HA4051A00 found under Cap Lubrication Fit by Baldor Electric Company. The National Stock Number assigned to this part is 4730015691710, 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 HA4051A00.