| Material | Admiralty Brass | |
|---|---|---|
| Type | Admiralty Brass | |
| No. of Fins/Waves | 28 Fins per Inch | |
| Part Number | 284028 | |
| Fin Height | 0.035 in | 0.889 mm |
| Plain Section Average Diameter | 0.625 in | 15.875 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 | 0.555 in | 14.097 mm |
| Fin Section I.D. | 0.499 in | 12.675 mm |
| Outside Area Ao | 0.413 ft²/ft | 0.126 m²/m |
| Inside Area Ai | 0.131 ft²/ft | 0.04 m²/m |
| Area Ratio Ao/Ai | 3.153 | |
| I.D. Cross Section Area | 0.196 in² | 1.262 cm² |