| NAME | CODE | SPECIFICATION | APPLICATION | MODEL NUMBER |
| Teflon ring | A97L-0201-0583#4B-TR | α-0C with AWF, α-0C without AWF, α-0iB with AWF, α-0iB without AWF, α-0iC with AWF, α-0iC without AWF, α-0iD with AWF, α-0iD without AWF, α-1C with AWF, α-1C without AWF, α-1iB with AWF, α-1iB | F583 |
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