The Jarvis USSS Series & MCS-300 Ribbed Lock Washer Pair (Part No. 1004436) is a genuine OEM component designed to maintain fastener security in high-vibration environments. Featuring interlocking ribbed surfaces, this washer pair prevents bolts from loosening, ensuring reliable performance of both USSS Series pneumatic stunners and the MCS-300 system in demanding industrial applications.
 
Constructed from high-strength, corrosion-resistant steel, these washers provide consistent clamping force and long-lasting durability in meat processing environments. Precision-engineered to Jarvis specifications, they ensure proper fitment, improved equipment stability, and reduced maintenance needs.
 
Key Features
OEM Fit: Specifically designed for Jarvis USSS Series stunners and MCS-300 systems.
Secure Locking: Ribbed interlocking design resists loosening due to vibration.
Durable Steel Construction: Corrosion-resistant for extended service life.
Operational Reliability: Maintains secure fastening under continuous use.
Industrial Quality: Built to withstand rigorous meat processing environments.