- FL 52/5 - Discontinued items – not for new applications
- FL 52/6 - Discontinued types – not for new designs
- FL 52/8 - Discontinued types – not for new designs
- FL 52/9
- FL 6/12
- FL 6/14014/9 - Discontinued types – not for new designs
- FL 6/15
- FL 6/18
- FL 6/24
- FL 6/5 - Discontinued types – not for new designs