D-339J-12 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 D-339J-12 compression spring is presented with clear technical data so you can confirm fit, force, and size before checkout.
Technical highlights include material: EN 10270-1, wire diameter: 4.5 mm, outer diameter: 68 mm, free length: 325 mm, spring rate: 1.305 N/mm. Use the specification table below to verify the dimensions and performance data against your application before placing an order.
| Article number | D-339J-12 |
|---|---|
| Material | EN 10270-1 |
| Spring ends | Closed and ground |
| Wire diameter [d] | 4.5 mm |
| Inner coil diameter [Di] | - mm |
| Mean coil diameter [D] | 63.5 mm |
| Outer coil diameter [De] | 68 mm |
| Maximum mandrel diameter [Dd] | 57.1 mm |
| Minimum housing diameter [Dh] | 70.7 mm |
| Free length [L0] | 325 mm |
| Buckling length [Lk] | mm |
| Max. static force [Fn] | 309.762 N |
| Min. static length [Ln] | 87.68 mm |
| Max. static deflection [sn] | 237.32 mm |
| Max. dynamic force [Fndyn] | 295.112 N |
| Min. dynamic length [Lndyn] | 98.9 mm |
| Max. dynamic stroke [shdyn] | 169.05 mm |
| Spring pitch [S] | 25.64 mm |
| Active coils [n] | 12.5 pc. |
| Total coils [nt] | - pc. |
| Spring rate [R] | 1.305 N/mm |
| Weight per spring | 363.6528 g |
Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.
