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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