Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A642 found under Shield Asy Air Clea by Am General Llc. The National Stock Number assigned to this part is 2940003617925, and the Federal Supply Class is 2940 Engine Air And Oil Filters Strainers And Cleaners Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A642.