| Material | Carbon Steels | |
|---|---|---|
| Type | Carbon Steels | |
| No. of Fins/Waves | 26 Fins per Inch | |
| Part Number | 266042 | |
| Fin Height | 0.049 in | 1.245 mm |
| Plain Section Average Diameter | 0.875 in | 22.225 mm |
| Plain Section Average Wall | 0.065 in | 1.651 mm |
| Wall Under Fin Average | 0.042 in | 1.067 mm |
| Wall Under Fin Minimum | 0.037 in | 0.94 mm |
| Nominal Root Diameter | 0.936 in | 19.736 mm |
| Fin Section I.D. | 0.693 in | 17.602 mm |
| Outside Area Ao | 0.704 ft²/ft | 0.215 m²/m |
| Inside Area Ai | 0.181 ft²/ft | 0.055 m²/m |
| Area Ratio Ao/Ai | 3.89 | |
| I.D. Cross Section Area | 0.377 in² | 2.433 cm² |