Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PF184J4-4-4 found under Tee Tube by Precision Aircraft Machining. The National Stock Number assigned to this part is 4730005194510, 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 PF184J4-4-4.