402-5 Shock Washer (5-Pack)

The 402-5 Shock Washer is a heavy-duty Tregaskiss-style replacement washer designed for durability and stable MIG welding performance. Engineered to fit Tregaskiss 300, 400, and 500 amp MIG guns, it also offers broad compatibility with Miller M-25, Hobart H-25, and Parker Tregaskiss MIG torches. This 402-5 shock washer helps maintain proper alignment and reduces vibration in the torch assembly, ensuring reliable operation and long service life as a direct replacement for the original Tregaskiss 402-5 component.