INTERNATIONAL STANDARD ISO 10243:2019(E) Technical specifications
4.1 General
ISO 10243:2019(E)
Key
Lo free length
Dd rod diameter
DH hole diameter
Figure 1 — Compression springs
4.2 Tolerances for free length, Lo
The tolerances for free length, Lo, shall comply with Figure 1 and Table 1.
| Table 1 — Tolerances of free length | |
| Lo mm | Tolerance |
| ±1 mm | 25 |
| 32 | |
| 38 | |
| 44 | |
| 51 | |
| 64 | |
| 76 | |
| 89 | |
| 102 | |
| ±1 % Lo | 115 |
| 127 | |
| 139 | |
| 152 | |
| 178 | |
| 203 | |
| 254 | |
| 305 | |
4.3 Light spring rate (green)
Compression springs of light spring rate in accordance with this document shall comply with Figure 1
and Table 2
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