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D-247D 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, D-247D gives you the key dimensions and load data needed before ordering.
Technical highlights include material: EN 10270-1, wire diameter: 2 mm, outer diameter: 20.5 mm, free length: 97 mm, spring rate: 1.907 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-247D |
|---|---|
| Material | EN 10270-1 |
| Spring ends | Closed and ground |
| Wire diameter [d] | 2 mm |
| Inner coil diameter [Di] | - mm |
| Mean coil diameter [D] | 18.5 mm |
| Outer coil diameter [De] | 20.5 mm |
| Maximum mandrel diameter [Dd] | 15.8 mm |
| Minimum housing diameter [Dh] | 21.4 mm |
| Free length [L0] | 97 mm |
| Buckling length [Lk] | 31.23 mm |
| Max. static force [Fn] | 114.102 N |
| Min. static length [Ln] | 37.17 mm |
| Max. static deflection [sn] | 59.83 mm |
| Max. dynamic force [Fndyn] | 108.2 N |
| Min. dynamic length [Lndyn] | 40.26 mm |
| Max. dynamic stroke [shdyn] | 36.42 mm |
| Spring pitch [S] | 7.037 mm |
| Active coils [n] | 13.5 pc. |
| Total coils [nt] | - pc. |
| Spring rate [R] | 1.907 N/mm |
| Weight per spring | 22.3709 g |
Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.