Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B42000-95-0004 found under Parts Kit Piston Assembly Compre by Babington Technology. The National Stock Number assigned to this part is 4310014928182, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B42000-95-0004.