Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 634-B-0150 found under Cap Twin Cam Primin by Pride Cast Metalsinc. The National Stock Number assigned to this part is 4730012145418, 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 634-B-0150.