Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PRI-3-K-A3-02 found under Indicator Rate Of Flow by Fti Flow Technology Inc. The National Stock Number assigned to this part is 6680012553313, 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 PRI-3-K-A3-02.