Blind Acorn Nut
BLIND HEXAGONAL NUT M8 UNI 5721. Replaced by R_419. Used primarily with old Rancilio portafilters, but has been used in other applications as well. Limited stock available.
| Manufacturer | Diagram | Application |
| PAVONI | LEVER BREW GROUP BAR-BART-PUB-HOTEL | FOR THE GROUP FLANGE BOLTS |
| PROMAC | BREW GROUPS GREEN-COMPACT-CLUB | FOR THE PORTAFILTER |
| RANCILIO | AUTOMATIC GROUP Z9 Z11 | FOR THE PORTAFILTER |
| RANCILIO | GRINDER ASSEMBLY MD40 | SHOWN AS MR_196 |
| RANCILIO | GRINDER ASSEMBLY MD50 | SHOWN AS POS. #13 |
| RANCILIO | GROUP S20 | FOR THE PORTAFILTER |
| 4020177 | PAVONI |
| 37320800 | PROMAC |
| 37320800 | RANCILIO |
