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VD-313U Compression spring is sold as a box of 12 pieces. The listed price is for the complete 12-piece box, not for a single spring.
This VD-313U compression spring is presented with clear technical data so you can confirm fit, force, and size before checkout.
Technical highlights include material: 1.4310, wire diameter: 4 mm, outer diameter: 70 mm, free length: 379 mm, spring rate: 0.82 N/mm. Use the specification table below to verify the dimensions and performance data against your application before placing an order.
- Pack size: 12 pieces per box
- Price basis: price shown is for one box containing 12 springs
- Product type: Compression spring
- Best for: maintenance, replacement, prototyping, and specification-led purchasing
Technical specifications
| Article number | VD-313U |
|---|---|
| Material | 1.4310 |
| Spring ends | Closed and ground |
| Wire diameter [d] | 4 mm |
| Inner coil diameter [Di] | - mm |
| Mean coil diameter [D] | 66 mm |
| Outer coil diameter [De] | 70 mm |
| Maximum mandrel diameter [Dd] | 60 mm |
| Minimum housing diameter [Dh] | 73.7 mm |
| Free length [L0] | 379 mm |
| Buckling length [Lk] | 202.89 mm |
| Max. static force [Fn] | 257.266 N |
| Min. static length [Ln] | 65.32 mm |
| Max. static deflection [sn] | 313.68 mm |
| Max. dynamic force [Fndyn] | 249.342 N |
| Min. dynamic length [Lndyn] | 74.98 mm |
| Max. dynamic stroke [shdyn] | 68.2 mm |
| Spring pitch [S] | 39.474 mm |
| Active coils [n] | 9.5 pc. |
| Total coils [nt] | - pc. |
| Spring rate [R] | 0.82 N/mm |
| Weight per spring | 236.8547 g |
Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.