| NPT Kod NPT Code |
NPT Ölçü NPT Size |
Metrik Kod Metric Code |
Metrik Ölçü Metric Size |
| GC-16 | 3/8 | ET-0M | M16 |
| GC-20 | 1/2 | ET-1M | M20 |
| GC-25 | 3/4 | ET-2M | M25 |
| GC-32 | 1 | ET-3M | M32 |
| GC-40 | 11/4 | ET-4M | M40 |
| GC-50 | 11/2 | ET-5M | M50 |
| GC-63 | 2 | ET-6M | M63 |
| GC-70 | 21/2 | ET-7M | M75 |
| GC-75 | 3 | ET-8M | M90 |