A Non-fill is a molding condition exhibiting surface indentations that are irregular in shape and have a coarser surface texture than the rest of the o-ring.
| Specification | Max Allowable Non-fill Width "W" (inches)** |
Max Allowable Non-fill Depth "T" (inches)** |
|---|---|---|
| AS708* | .005 is standard reject for any defect | Not Specified |
| ISO 3601-3 CS | .0031 | .0031 |
| AS871 | .005 | .002 |
| ISO 3601-3 S, DIN 3771 S | .0059 | .0031 |
| ISO 3601-3 N, DIN 3771 N | .0236 | .0031 |
| MIL-STD-413C | .010 | .003 |
| RMA OR-1 A | .010 | .003 |
| RMA OR-1 B | .015 | .003 |
**Data above shows maximum allowable Width/Depth of Non-fill defect assuming an O-ring cross sectional diameter between 0 and .1 inches.
