Threads: NPT
Flures: Straight Taps
Tolerance Class: ANSI G Class
Chamfer Length: 3 Pitches
| Code No. | Nominal Size | Class | Threads | 𝐋 | 𝑙 | 𝑙1 | 𝑙2 | 𝑑 | 𝑘 | 𝑙k | Flutes | 
| TNOT01L | NPT 1/16 - 27 | ANSI G | NPT | 54 | 17 | 12 | - | 8 | 6 | 9 | 4 | 
| TNPT02L | NPT 1/8 - 27 | 55 | 19 | 12.05 | - | 8 | 6 | 9 | 4 | ||
| TNPT04O | NPT 1/4 - 18 | 62 | 28 | 17.45 | - | 11 | 9 | 12 | 4 | ||
| TNPT06O | NPT 3/8 - 18 | 65 | 28 | 17.65 | - | 14 | 11 | 14 | 4 | ||
| TNPT08Q | NPT 1/2 - 14 | 80 | 35 | 22.85 | - | 18 | 14 | 17 | 4 | ||
| TNPT12Q | NPT 3/4 - 14 | 85 | 35 | 22.95 | - | 23 | 17 | 20 | 4 | ||
| TNPT16T | NPT 1- 11 1/2 | 95 | 45 | 27.4 | - | 26 | 21 | 24 | 5 | ||
| TNPT20T | PT 1 1/4 - 11 1/2 | 105 | 45 | 28.1 | - | 32 | 26 | 30 | 5 | ||
| TNPT24T | NPT 1 1/2 - 11 1/2 | 110 | 45 | 28.4 | - | 38 | 29 | 32 | 6 | ||
| TNPT32T | PT 2 - 11 1/2 | 120 | 50 | 28 | - | 46 | 35 | 38 | 6 | ||
| TNPT40X | PT 2 1/2 - 8 | 145 | 65 | 40.8 | - | 55 | 41 | 44 | 8 | ||
| TNPT48X | PT 3 - 8 | 155 | 65 | 42.95 | - | 65 | 50 | 52 | 8 |