| BH4D41a / D41b/f-_ | with spring reset or spring centred | NBR |
| BH4D41a / D41b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4D41a / D41b/r-_ | dentented | NBR |
| BH4D41a / D41b/r-D1 | dentented | FKM (Viton) |
| BH4D42a / D42b/f-_ | with spring reset or spring centred | NBR |
| BH4D42a / D42b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4D42a / D42b/r-_ | dentented | NBR |
| BH4D42a / D42b/r-D1 | dentented | FKM (Viton) |
| BH4D43a / D43b/f-_ | with spring reset or spring centred | NBR |
| BH4D43a / D43b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4D43a / D43b/r-_ | dentented | NBR |
| BH4D43a / D43b/r-D1 | dentented | FKM (Viton) |
| BH4D44a / D44b/f-_ | with spring reset or spring centred | NBR |
| BH4D44a / D44b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4D44a / D44b/r-_ | dentented | NBR |
| BH4D44a / D44b/r-D1 | dentented | FKM (Viton) |
| BH4D45a / D45b/f-_ | with spring reset or spring centred | NBR |
| BH4D45a / D45b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4D45a / D45b/r-_ | dentented | NBR |
| BH4D45a / D45b/r-D1 | dentented | FKM (Viton) |
| BH4Z40a/f-_ | with spring reset or spring centred | NBR |
| BH4Z40a/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z40a/r-_ | dentented | NBR |
| BH4Z40a/r-D1 | dentented | FKM (Viton) |
| BH4Z40b/f-_ | with spring reset or spring centred | NBR |
| BH4Z40b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z40b/r-_ | dentented | NBR |
| BH4Z40b/r-D1 | dentented | FKM (Viton) |
| BH4Z41a/f-_ | with spring reset or spring centred | NBR |
| BH4Z41a/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z41a/r-_ | dentented | NBR |
| BH4Z41a/r-D1 | dentented | FKM (Viton) |
| BH4Z41b/f-_ | with spring reset or spring centred | NBR |
| BH4Z41b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z41b/r-_ | dentented | NBR |
| BH4Z41b/r-D1 | dentented | FKM (Viton) |
| BH4Z42a/f-_ | with spring reset or spring centred | NBR |
| BH4Z42a/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z42a/r-_ | dentented | NBR |
| BH4Z42a/r-D1 | dentented | FKM (Viton) |
| BH4Z42b/f-_ | with spring reset or spring centred | NBR |
| BH4Z42b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z42b/r-_ | dentented | NBR |
| BH4Z42b/r-D1 | dentented | FKM (Viton) |
| BH4Z43a/f-_ | with spring reset or spring centred | NBR |
| BH4Z43a/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z43a/r-_ | dentented | NBR |
| BH4Z43a/r-D1 | dentented | FKM (Viton) |
| BH4Z43b/f-_ | with spring reset or spring centred | NBR |
| BH4Z43b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z43b/r-_ | dentented | NBR |
| BH4Z43b/r-D1 | dentented | FKM (Viton) |
| BH4Z44a/f-_ | with spring reset or spring centred | NBR |
| BH4Z44a/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z44a/r-_ | dentented | NBR |
| BH4Z44a/r-D1 | dentented | FKM (Viton) |
| BH4Z44b/f-_ | with spring reset or spring centred | NBR |
| BH4Z44b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z44b/r-_ | dentented | NBR |
| BH4Z44b/r-D1 | dentented | FKM (Viton) |
| BH4Z45a/f-_ | with spring reset or spring centred | NBR |
| BH4Z45a/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z45a/r-_ | dentented | NBR |
| BH4Z45a/r-D1 | dentented | FKM (Viton) |
| BH4Z45b/f-_ | with spring reset or spring centred | NBR |
| BH4Z45b/f-D1 | with spring reset or spring centred | FKM (Viton) |
| BH4Z45b/r-_ | dentented | NBR |
| BH4Z45b/r-D1 | dentented | FKM (Viton) |