Bulkhead Lock Nut
For Metric Tube
| TUBE OD SIZE | S STRAIGHT THREAD | F MM | L MM | PART NO. |
| 3 | 5/16-20 | 11 | 4.8 | BLN-3 |
| 4 | 3/8-20 | 14 | 5.6 | BLN-4 |
| 6 | 7/16-20 | 16 | 5.6 | BLN-6 |
| 8 | 1/2-20 | 18 | 5.6 | BLN-8 |
| 10 | 5/8-20 | 22 | 6.4 | BLN-10 |
| 12 | 3/4-20 | 24 | 7.1 | BLN-12 |
| 14 | 7/8-20 | 27 | 7.9 | BLN-14 |
| 15 | 7/8-20 | 27 | 7.9 | BLN-15 |
| 16 | 7/8-20 | 27 | 7.9 | BLN-16 |
| 18 | 1-20 | 30 | 8.6 | BLN-18 |
| 20 | 1-1/8-20 | 32 | 9.7 | BLN-20 |
| 25 | 1-5/16-20 | 40 | 9.7 | BLN-25 |
Dimensions are for reference only and are subject to change.