TANK OPTIONS -> Double Tapped Bushing -> Full Part List
| Part Number | Male | Female | Hex |
| 4566 | 1" | 1-1/2" | Outside |
| 4567 | 1-1/4" | 3/8" | Inside |
| 4568 | 1-1/4" | 1/2" | Inside |
| 4569 | 1-1/4" | 3/4" | Outside |
| 4570 | 1-1/4" | 1" | Outside |
| 4571 | 1-1/2" | 3/8" | Outside |
| 4572 | 1-1/2" | 1/2" | Inside |
| 4573 | 1-1/2" | 3/4" | Inside |
| 4574 | 1-1/2" | 1" | Outside |
| 4575 | 1-1/2" | 1-1/4" | Outside |
| 4576 | 2" | 3/8" | Inside |
| 4577 | 2" | 1/2" | Inside |
| 4578 | 2" | 3/4" | Inside |
| 4579 | 2" | 1" | Inside |
| 4580 | 2" | 1-1/4" | Outside |
| 4581 | 2" | 1-1/2" | Outside |
| 4584 | 2-1/2" | 1-1/4" | Inside |
| 4585 | 2-1/2" | 1-1/2" | Inside |
| 4586 | 2-1/2" | 2" | Outside |
| 4588 | 3" | 1" | Inside |
| 4589 | 3" | 1-1/4" | Inside |
| 4590 | 3" | 1-1/2" | Inside |
| 4591 | 3" | 2" | Inside |
| 4592 | 3" | 2-1/2" | Inside |
| 4596 | 3-1/2" | 1-1/2" | Inside |
| 4597 | 3-1/2" | 2" | Inside |
| 4599 | 3-1/2" | 3" | Outside |
| 4600 | 4" | 1" | Inside |
| 4601 | 4" | 1-1/4" | Inside |
| 4602 | 4" | 1-1/2" | Inside |
| 4603 | 4" | 2" | Inside |
| 4604 | 4" | 2-1/2" | Outside |
| 4605 | 4" | 3" | Inside |
| 4609 | 6" | 4" | Inside |