Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TS2004-004 REV A found under Rthernetzswitch by Engility Corporation. The National Stock Number assigned to this part is 5930015647967, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TS2004-004 REV A.