Description
The Armstrong Fluid Technology 810150-251 Shaft Sleeve Kit is a precision-engineered stainless steel replacement component designed to restore peak performance to your pump system. Built for Series 4280, 4380, and 4382 pumps, this sleeve supports 1-1/4 inch mechanical seals and accommodates motor frames ranging from 143JM to 215JM — making it a highly versatile solution for industrial maintenance professionals.
Engineered as a direct replacement for obsolete parts 810150-151, 425869-001, and 425869-202, this kit simplifies sourcing and reduces equipment downtime. Its stainless steel construction delivers exceptional resistance to wear and corrosion, helping extend machinery life and lower long-term maintenance costs.
Key Benefits
- Durable stainless steel construction for long-lasting wear and corrosion resistance
- Precision fit minimizes vibration and alignment issues for smoother pump operation
- Broad motor frame compatibility (143JM–215JM) suits a wide range of applications
- Direct replacement for obsolete models — simplifies maintenance and reduces downtime
Product Specifications
- Brand: Armstrong Fluid Technology
- Model: SLV-SS-1-1/4
- MPN: 810150-251
- Shaft Size: 1-1/4 inches
- Compatible Pump Series: 4280, 4380, 4382
- Replaces: 425869-001, 425869-202, 810150-151
- Weight: 0.51 lbs







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