O-Ring: 228, 2 1/4 in Nominal Inside Dia., 2 1/2 in Nominal Outside Dia., 85 Shore A
Item: 1WHH3, MFR: 1WHH3, Brand: GRAINGER APPROVED
| Dash Number | 228 |
| System of Measurement | Inch |
| Cross Section Shape | Round |
| O-Ring Material | FEP with Silicone Core |
| Durometer | 85 Shore A |
| Color | Clear with Red Core |
| Nominal Inside Dia. | 2-1/4 in |
| Actual Inside Dia. | 2.234 in |
| Nominal Outside Dia. | 2-1/2 in |
| Actual Outside Dia. | 2.512 in |
| Nominal Width | 1/8 in |
| Actual Width | 0.139 in |
| Durometer (Hardness) Rating | Hard |
| FDA Approved | Yes |
| Metal Detectable | No |
| X-Ray Detectable | No |