Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2573669 found under Tube Assembly Orifi by Ontic Engineering And Mfg Inc. The National Stock Number assigned to this part is 2620015691024, and the Federal Supply Class is 2620 Tires And Tubes Pneumatic Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2573669.