| Material | Copper Nickel 90/10 | |
|---|---|---|
| Type | Copper Nickel 90/10 | |
| No. of Fins/Waves | 26 Fins per Inch | |
| Part Number | 266028 | |
| Fin Height | 0.049 in | 1.245 mm |
| Plain Section Average Diameter | 0.875 in | 22.225 mm |
| Plain Section Average Wall | 0.049 in | 1.245 mm |
| Wall Under Fin Average | 0.028 in | 0.711 mm |
| Wall Under Fin Minimum | 0.025 in | 0.635 mm |
| Nominal Root Diameter | 0.777 in | 19.736 mm |
| Fin Section I.D. | 0.721 in | 18.313 mm |
| Outside Area Ao | 0.704 ft²/ft | 0.215 m²/m |
| Inside Area Ai | 0.189 ft²/ft | 0.058 m²/m |
| Area Ratio Ao/Ai | 3.725 | |
| I.D. Cross Section Area | 0.408 in² | 2.634 cm² |