Product Description
Outer caster spring for Interthor electric lift truck, manufactured from high-carbon steel (ASTM A229), zinc-plated for corrosion resistance. Part number IN SP-437 for Interthor lift assemblies. No known cross-reference or interchangeable part numbers.
Specifications
Material & Construction
| Spring Material | High-carbon steel per ASTM A229 |
| Finish | Zinc-plated |
Part Information
| Part Number | IN SP-437 |
| Cross References | None known |
Frequently Asked Questions
Q: What are the physical dimensions of the IN SP-437 spring?
A: The IN SP-437 has a free, and wire. Spring rate is 120 lbs/in. These specifications must match your equipment assembly for proper fitment.
Q: What material is the IN SP-437 made from?
A: The IN SP-437 is manufactured from high-carbon steel per ASTM A229 specification. The spring is zinc-plated for corrosion resistance, making it suitable for both indoor and outdoor lift truck environments.
Q: What is the spring rate and load capacity of the IN SP-437?
A: The IN SP-437 has a spring rate of 120 lbs/in. This means the spring compresses 1 inch for every 120 pounds of force applied. Verify this rate matches your equipment requirement before ordering.
Q: How does the zinc-plated finish affect durability?
A: The zinc-plated coating provides corrosion resistance for extended service life. This finish protects the high-carbon steel from rust in wet storage, salt-exposure, and cold storage environments.
Q: Are there cross-reference part numbers for the IN SP-437?
A: The IN SP-437 is the OEM part number. No known interchangeable or cross-reference part numbers exist for this spring. Verify the exact model and serial range of your equipment to confirm compatibility.