Product Overview
Century Spring S-331CS Helical Compression Spring 0.250" OD x 1.340" Length
Condition
New old stock. Unused inventory with clean plain stainless finish and intact coil geometry.
Same or next business day shipping from our Idaho warehouse. Reliable parts since 1999. Honest pricing, no nonsense.
We are here for our customers, with a no-hassle satisfaction guarantee.
Product Overview
Century Spring S-331CS helical compression spring manufactured from corrosion-resistant stainless steel. Built for light-duty return mechanisms, positioning assemblies, and mechanical biasing applications requiring consistent linear force.
Key Features
- Outer diameter: 0.250 in (6.35 mm)
- Inside diameter: 0.214 in (5.44 mm)
- Free length: 1.340 in (34.04 mm)
- Wire diameter: 0.018 in (0.46 mm)
- Spring rate: 1.1 lbs/in (0.19 N/mm)
- Solid height: 0.23 in (5.9 mm)
- End type: Closed ends
- Material: Stainless steel
Applications
- Light-duty mechanical linkages, switches, and actuator return mechanisms.
- Precision prototyping, maker mechanisms, and benchtop testing requiring low-force linear resistance.
- Laboratory fixturing and small-scale automation equipment.
Frequently Asked Questions
What are the end configurations on this spring?
The S-331CS features closed ends for stable square seating against flat mating surfaces.
Why buy individual springs here instead of full distributor packages?
Get the exact count needed for your specific repair, prototype, or test fixture without paying for bulk factory minimums. Shipping is an $8 flat rate, free once your order passes $28, and orders leave our Idaho warehouse the same or next business day.
Clean coil geometry ready for the exact mechanical return your project calls for. Steady linear force right where you need it.
