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D-359A-20 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.
A compact metric compression spring for precise replacement, repair, and design work where part number D-359A-20 is the required match.
Technical highlights include material: EN 10270-1, wire diameter: 5 mm, outer diameter: 32 mm, free length: 300 mm, spring rate: 13.479 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 | D-359A-20 |
|---|---|
| Material | EN 10270-1 |
| Spring ends | Closed and ground |
| Wire diameter [d] | 5 mm |
| Inner coil diameter [Di] | - mm |
| Mean coil diameter [D] | 27 mm |
| Outer coil diameter [De] | 32 mm |
| Maximum mandrel diameter [Dd] | 21.1 mm |
| Minimum housing diameter [Dh] | 32.3 mm |
| Free length [L0] | 300 mm |
| Buckling length [Lk] | 271.6 mm |
| Max. static force [Fn] | 1504.887 N |
| Min. static length [Ln] | 188.35 mm |
| Max. static deflection [sn] | 111.65 mm |
| Max. dynamic force [Fndyn] | 1186.118 N |
| Min. dynamic length [Lndyn] | 212 mm |
| Max. dynamic stroke [shdyn] | 33.52 mm |
| Spring pitch [S] | 12.292 mm |
| Active coils [n] | 24 pc. |
| Total coils [nt] | - pc. |
| Spring rate [R] | 13.479 N/mm |
| Weight per spring | 342.2924 g |
Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.