| Part Number | NH Male |
| HTP-10NHRL | 1” NH Female |
| HTP-15NHRL | 1½” NH Male |
| HTP-15-special thread | 1½” special thread |
| HTP-20NHRL | 2” NH male |
| HTP-25NHRL | 2½” NH Male |
| HTP-25-special thread | 2½” special thread |
| HTP-30NHRL | 3” NH Male |
| HTP-35NHRL | 3½” NH Male |
| HTP-40NHRL | 4” NH Male |
| HTP-45NHRL | 4½” NH Male |
| HTP-50NHRL | 5” NH Male |
| HTP-60NHRL | 6” NH Male |
