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VD-393A 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.
Built for buyers who search by exact spring reference, VD-393A gives you the key dimensions and load data needed before ordering.
Technical highlights include material: 1.4310, wire diameter: 8 mm, outer diameter: 108 mm, free length: 630 mm, spring rate: 2.655 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-393A |
|---|---|
| Material | 1.4310 |
| Spring ends | Closed and ground |
| Wire diameter [d] | 8 mm |
| Inner coil diameter [Di] | - mm |
| Mean coil diameter [D] | 100 mm |
| Outer coil diameter [De] | 108 mm |
| Maximum mandrel diameter [Dd] | 89 mm |
| Minimum housing diameter [Dh] | 111 mm |
| Free length [L0] | 630 mm |
| Buckling length [Lk] | 407.66 mm |
| Max. static force [Fn] | 1247.464 N |
| Min. static length [Ln] | 160.11 mm |
| Max. static deflection [sn] | 469.89 mm |
| Max. dynamic force [Fndyn] | 1181.393 N |
| Min. dynamic length [Lndyn] | 185 mm |
| Max. dynamic stroke [shdyn] | 82.24 mm |
| Spring pitch [S] | 46.074 mm |
| Active coils [n] | 13.5 pc. |
| Total coils [nt] | - pc. |
| Spring rate [R] | 2.655 N/mm |
| Weight per spring | 1934.7813 g |
Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.