Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1A9050-01 found under Strainer Element by United Technologies Corporation. The National Stock Number assigned to this part is 2945014446349, and the Federal Supply Class is 2945 Engine Air And Oil Filters Cleaners Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1A9050-01.