The Graco 100133 Lock Washer (3/8") is a genuine hardware component designed to prevent loosening under vibration. Perfect for maintaining secure joints in Graco Reactor proportioners and similar systems.
This Graco 100133 Lock Washer (3/8") is used across the Graco Reactor proportioner family and related systems. Confirm via your parts manual before ordering.
The Graco 100133 Lock Washer is a split-style lock washer (3/8") designed to maintain clamp load and help prevent loosening from vibration on Graco industrial equipment. Using genuine Graco hardware ensures proper fit and reliability in high-duty applications.
| Key Spec | Detail |
|---|---|
| Part Number | 100133 |
| Type | Lock Washer (Split) |
| Nominal Size | 3/8" |
| Typical Use | Prevents fastener back-off under vibration and thermal cycling on pumps, frames, rams, brackets, and panel hardware. |
| Compatibility Note | Appears in parts lists for Reactor E-20 / E-30 / E-XP1 / E-XP2 and other Graco assemblies that specify 100133. |
