

The Graco 170303 Nut Cap is a genuine OEM fastener designed for sealing and securing components in Graco regulator and manifold assemblies. Ideal for maintaining proper pressure and preventing leaks.
The following Graco equipment uses the Graco 170303 Nut Cap based on official assembly and regulator diagrams:
The Graco 170303 Nut Cap is a genuine OEM fastener designed for sealing and securing components within Graco fluid-handling and regulation systems. It helps maintain pressure integrity, ensures proper assembly alignment, and prevents leaks within critical spray and dispensing equipment.
| Part Number | 170303 |
|---|---|
| Brand | Graco |
| Part Type | Nut Cap |
| Usage | Fluid regulators, manifolds, adhesive & coating systems |
| Installation | Requires correct torque & sealing surface alignment |