| STEM OD | | x NPT | | | | 5/32 x 1/8 | | 5/32 x 1/4 | | 3/16 x 1/8 | | 1/4 x 1/8 | | 1/4 x 1/4 | | 5/16 x 1/8 | | 5/16 x 1/4 | | 5/16 x 3/8 | | 3/8 x 1/4 | | 3/8 x 3/8 | | 1/2 x 3/8 | | 1/2 x 1/2 | | - | | - |
| | PART | | NO. | | | | 520 3779 | | 520 3807 | | 520 3835 | | 520 3863 | | 520 3891 | | 520 3919 | | 520 3947 | | 520 3975 | | 520 4003 | | 520 4031 | | 520 4059 | | 520 4087 | | - | | - |
| | STEM OD | | x BSPT | | | | 4 x 1/8 | | 4 x 1/4 | | 5 x 1/8 | | 5 x 1/4 | | 6 x 1/8 | | 6 x 1/4 | | 8 x 1/8 | | 8 x 1/4 | | 8 x 3/8 | | 10 x 1/4 | | 10 x 3/8 | | 10 x 1/2 | | 12 x 3/8 | | 12 x 1/2 |
| | PART | | NO. | | | | 521 3467 | | 521 3495 | | 521 3523* | | 521 3551* | | 521 3579 | | 521 3607 | | 521 3635 | | 521 3663 | | 521 3691 | | 521 3719 | | 521 3747 | | 521 3775 | | 521 3803 | | 521 3831 |
|