

Stainless steel packing nut used to secure and compress packing stacks in Graco fluid sections, maintaining a tight seal under high-pressure pumping conditions.
| Equipment Type | Usage / Function |
|---|---|
| Graco Ram-Mounted Pump Assemblies | Used in high-pressure fluid transfer systems requiring secure packing retention |
| Industrial Spray & Coating Systems | Supports sealing integrity in paint, adhesive, and sealant pumping equipment |
| Graco Fluid Section Components | Installed within fluid sections to secure packing stacks and maintain pressure control |
| OEM Graco Pump Models Using 184423 Series | Direct-fit replacement part for compatible Graco factory pump assemblies |
The Graco 184423 Nut, Packing, Sst is a stainless steel fastening component used in fluid section assemblies to secure packing elements inside Graco pump systems. It maintains compression on the packing stack, ensuring consistent sealing performance under high-pressure fluid transfer conditions.
Designed for industrial durability, it plays a critical role in maintaining pump efficiency by preventing leakage and stabilizing internal pressure during continuous operation.
The Graco 184423 Nut, Packing, Sst is a stainless steel (SST) packing nut used in Graco fluid handling equipment. It secures the packing assembly inside the pump’s fluid section, ensuring proper compression and alignment for effective sealing during operation.
Its corrosion-resistant stainless steel construction makes it suitable for demanding industrial environments where exposure to chemicals, coatings, and high-pressure conditions is common.