M5 Barb
These brass barbs screw into the UTM’s three liquid/gas ports and accept the three liquid/gas lines coming from the z-axis cable carrier.
 
   
  
   
   
Specs
| for tube ID | 6mm | 
| threads | M5 | 
| hex size | 8mm | 
| gasket? | true | 
| material | Brass | 
| Price | $6.00 | 
| Quantity | Genesis - 3 Genesis XL - 3 | 
| CAD model | Onshape | 
| Purchase | The FarmBot Shop | 
| internal-part-name | M5 Barb | 
| rev | A | 
| vendor | LDO | 
| cost | $1.00 | 
Component tests
| Test | Description | Target | Tolerance | 
|---|---|---|---|
| Threads | Connect to an M5 brass insert on top of the UTM. | Parts should connect as expected | N/A | 
| Hex size | Use an 8mm wrench to tighten the barb on top of the UTM. | The hex size should work with an 8mm wrench | N/A | 
| Barb | Connect a 6mm ID tube. | The tube should connect securely and have mildly resist being disconnected by hand. | N/A |