6543: ESTB 6X42X190

All dimensions are in mm
Dt = Wire diameter
De = Outer diameter
Lo = Free length
nt = Number of active coils
c = Rate
Fo = Initial force in Newtons; required force before the spring starts to extend
Ln = Permitted loaded length for dynamic load
F1 = Spring force in Newtons at L1 = s x c + Fo
s = Deflection L1 - Lo
G = Thread
Material: Spring steel EN 10270-1-SH
Tolerances: SS 2384
Max. working temperature: 120 °C
1 kp = 9.80665 Newtons, 1 Newton = 0.10197 kp