The Armstrong Fluid Technology 8426401-004 is a precision-engineered nitrile casing gasket designed to deliver a reliable, leak-proof seal in demanding fluid handling systems. Built to exact tolerances, this gasket maintains system integrity, reduces unplanned downtime, and lowers long-term maintenance costs.
Compatible Pump Series
- Armstrong Series 4030
- Armstrong Series 4280
- Armstrong Series 4300
- Armstrong Series 4380
Technical Specifications
- Outer Diameter: 10-5/16″
- Inner Diameter: 10-3/16″
- Thickness: 1/16″
- Material: Nitrile
- Weight: 0.11 lbs
- Item Number: 8426401-004
- Replaces: 426401-004
Key Features
- Precision fit eliminates fluid leaks and maintains pump casing integrity
- High-durability nitrile construction resists wear under industrial operating conditions
- Direct OEM replacement — drop-in fit with no modifications required
- Helps extend service intervals and reduce overall maintenance costs
