GRACO Washer, Lock, Spring, #4 - (SKU: 1934-01-01)The GRACO 1934 01 01 is a lock spring washer, typically made from spring steel, designed to secure fasteners and prevent loosening due to vibration in GRACO equipment. Its intended use is to maintain the integrity of mechanical assemblies within GRACO lubrication and fluid handling systems. Key Features: Spring Lock Washer Spring steel (assumed, not explicitly stated) Prevents fastener loosening due to vibration Reliable for repeated use in industrial

Ensure the pump is powered off and depressurized before removing or installing the lid

Regularly inspect and clean the sprayer after use

Use vent valve to prevent pressure build-up

Inspect the shroud and surrounding components for wear or damage during replacement

Max working fluid pressure: 1500 psi

Chemical resistance due to PTFE material

Used in GRACO spray and lubrication systems for accurate flow control and fine-tuning of equipment performance

41 bar (600 psi) for most XD 60 models

The GRACO 2008309 MODULE

but it is an official GRACO part

Handle hard carbide parts (such as the ball bearing) carefully to avoid damage

leak-resistant connections between different pipe sizes are required