292 Series - Dimcogray 4-prong thru hole knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | D | Thread length | Thread size |
| 2-292-302 | Phenolic | Imperial | Female | 1-1/4 | 7/8 | 5/8 | 3/8 | 1/2 | 10-32 |
| 2-292-303 | Phenolic | Imperial | Female | 1-1/4 | 7/8 | 5/8 | 3/8 | 1/2 | 10-24 |
| 2-292-306 | Phenolic | Imperial | Female | 1-1/4 | 7/8 | 5/8 | 3/8 | 1/2 | 1/4-20 |
| 2-292-307 | Phenolic | Imperial | Female | 1-1/4 | 7/8 | 5/8 | 3/8 | 1/2 | 5/16-18 |
| 2-292-350 | Phenolic | Metric | Female | 1-1/4 | 7/8 | 5/8 | 3/8 | 1/2 | M6-1.0 |
| 2-292-600 | Phenolic | Metric | Female | 1-1/4 | 7/8 | 5/8 | 3/8 | 1/2 | M8-1.25 |