defense federal acquisition regulation supplement appendix b coordinated assignments 1998 edition 1 part army revised february 23 1999 supply class code commodity electronic equipment each department is assigned responsibility for those items which the either designed or it sponsored development see fsc 5821 under navy listings assignment of certain commercially developed radio sets ie without use government funds 1005 p guns through 30mm this partial applies to and parts therefor as listed in manuals catalogs does not apply ordnance type mk 11 12 20mm gun aircraft mounts 1010 over up 75mm naval 1015 125mm