| Material | Admiralty Brass | |
|---|---|---|
| Type | Admiralty Brass | |
| No. of Fins/Waves | 28 Fins per Inch | |
| Part Number | 286028 | |
| Fin Height | 0.035 in | 0.889 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 | 0.805 in | 20.447 mm |
| Fin Section I.D. | 0.749 in | 19.025 mm |
| Outside Area Ao | 0.588 ft²/ft | 0.179 m²/m |
| Inside Area Ai | 0.196 ft²/ft | 0.06 m²/m |
| Area Ratio Ao/Ai | 3 | |
| I.D. Cross Section Area | 0.441 in² | 2.843 cm² |