

The Graco 167394 Coupling Nut is a genuine OEM nut used in Graco 307016-series fluid regulators and adapter assemblies. Ideal for securing the coupler stem and maintaining a tight, leak-free fluid connection.
Graco 167394 Coupling Nut is a genuine replacement nut used in the fluid connection section of Graco’s 307016-series regulators and adapters. It secures the coupler stem and ensures a leak-free, stable connection inside the fluid regulation system.
This coupling nut is engineered for Graco professional fluid control components. It is typically installed in fluid regulators, circulating adapters, and straight adapter assemblies. Its precision-fit threads ensure secure tightening while maintaining proper alignment of the internal fluid path.
| Part Number | 167394 |
|---|---|
| Part Type | Coupling Nut |
| Used In | 307016-Series Fluid Regulators & Adapter Assemblies |
| Material | Durable Graco-spec metal construction |
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