Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FCB MAT-ATCC-020 PG 4 ITEM 7 found under Microphone Magnetic by Navy United States Department Of. The National Stock Number assigned to this part is 5965014983519, and the Federal Supply Class is 5965 Headsets Handsets Microphones And Speakers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FCB MAT-ATCC-020 PG 4 ITEM 7.