261 Series - Dimcogray recessed top push/pull knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | D | Thread length | Thread size |
| 1-261-001 | Phenolic | Imperial | Female | 1-3/8 | 13/16 | 5/8 | 5/8 | 5/16 | 8-32 |
| 1-261-002 | Phenolic | Imperial | Female | 1-3/8 | 13/16 | 5/8 | 5/8 | 7/16 | 3/8-16 |
| 1-261-003 | Phenolic | Imperial | Female | 1-3/8 | 13/16 | 5/8 | 5/8 | 7/16 | 1/4-20 |
| 1-261-009 | Phenolic | Imperial | Female | 1-3/8 | 13/16 | 5/8 | 5/8 | 1/2 | 5/16 |
| 1-261-016 | Phenolic | Imperial | Female | 1-3/8 | 13/16 | 5/8 | 5/8 | 7/16 | 1/4-28 |
| 1-261-020 | Phenolic | Imperial | Female | 1-3/8 | 13/16 | 5/8 | 5/8 | 5/16 | 10-24 |