D-217A 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-217A is the required match.
Technical highlights include material: EN 10270-1, wire diameter: 1.6 mm, outer diameter: 17.6 mm, free length: 165 mm, spring rate: 0.724 N/mm. Use the specification table below to verify the dimensions and performance data against your application before placing an order.
| Article number | D-217A |
|---|---|
| Material | EN 10270-1 |
| Spring ends | Closed and ground |
| Wire diameter [d] | 1.6 mm |
| Inner coil diameter [Di] | - mm |
| Mean coil diameter [D] | 16 mm |
| Outer coil diameter [De] | 17.6 mm |
| Maximum mandrel diameter [Dd] | 13.8 mm |
| Minimum housing diameter [Dh] | 18.6 mm |
| Free length [L0] | 165 mm |
| Buckling length [Lk] | 146.6 mm |
| Max. static force [Fn] | 84.615 N |
| Min. static length [Ln] | 48.2 mm |
| Max. static deflection [sn] | 116.8 mm |
| Max. dynamic force [Fndyn] | 81.355 N |
| Min. dynamic length [Lndyn] | 52.7 mm |
| Max. dynamic stroke [shdyn] | 49.5 mm |
| Spring pitch [S] | 7.262 mm |
| Active coils [n] | 22.5 pc. |
| Total coils [nt] | - pc. |
| Spring rate [R] | 0.724 N/mm |
| Weight per spring | 19.5725 g |
Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.
