Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 440506 found under Strainer Assembly B by Parmac Inc. The National Stock Number assigned to this part is 2995000346389, and the Federal Supply Class is 2995 Miscellaneous Engine Accessories Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 440506.