 | ND-M-M12X1,5 | Union nut metric, low pressure | 4 | M12X1,5 | | |
| ND-M-M10X1 | Union nut metric, low pressure | 3 | M10X1 | | |
| ND-M-M14X1,5 | Union nut metric, low pressure | 6 | M14X1,5 | | |
| ND-M-M16X1,5 | Union nut metric, low pressure | 8 | M16X1,5 | | |
| ND-M-M18X1,5 | Union nut metric, low pressure | 10 | M18X1,5 | | |
| ND-M-M22X1,5 | Union nut metric, low pressure | 13 | M22X1,5 | | |
| ND-M-M26X1,5 | Union nut metric, low pressure | 16 | M26X1,5 | | |