GRACO 556666 - Fitting - 5/16" Tube Nut & Sleeve
Brass nut with captive ferrule designed for 5/16 tube connections in high-pressure lubrication systems. Features self-aligning design for easy installation and reliable sealing in pump-to-manifold and injector distribution applications.
Additional Specifications
- Captive Ferrule: yes
- Tube Size: 5/16 in. Tube
Specifications
| Application | On-Road Vehicles |
| Compatible Material | Oil, Grease |
| Inside Diameter (in) | 0.3125 |
| Material | Brass |
| Size A (in) | 5/16 |
| Style | Compression |
| System of Measurement | Imperial |
| Type | Nut Fitting |
Features
- Self-aligning design for easy installation
- Captive ferrule prevents loss during assembly
- Brass construction for corrosion resistance
- Designed for tube fitting connections
Applications
- Lubrication system connections
- Pump to manifold lines
- Injector distribution systems
- High-pressure tube fittings
Compatible Equipment
- L12100 lubrication systems
Related Parts
Part of the self-aligning ferrules and nuts family for the L12100 system. Old part number was 435-702-503. Part of tube fitting nuts with captive sleeve family. Also available for 3/16 in. tube (556660).
Reference Manuals