3933: CSL 1,8X16X300

All dimensions are in mm
Dt = Wire diameter
Di = Inner diameter
L = Length
Po = Pitch

Material:
Spring steel EN 10270-1-SM
Stainless steel EN 10270-3-1.4310

Tolerances:
SS 2384. For Di only the + tolerance is used, which is why springs can be threaded on a shaft with the same diameter as the nominal Di of the spring.

1 kp = 9.80665 Newtons, 1 Newton = 0.10197 kp