Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 04-0050 found under Filler And Bleeder Hydraulic Sys by Branick Industries Inc. The National Stock Number assigned to this part is 4910002733658, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 04-0050.