Mainspring for FHF 74-4
Height, diameter, thickness and length
1.60 Ă— 10.5 Ă— 0.12 Ă— 340 mmheight Ă— diameter Ă— thickness Ă— length
Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4538 | 1.60 mm | 10.5 mm | 0.12 mm | 340 mm | Hand-wound, normal end hook |
All dimensions in millimetres. The height of a mainspring is often also called its “width”. Source: Générale Ressorts, mainspring catalogue GR 2 (March 1974), page 82.
đź›’ Matching mainspring in our shop
We do not currently have a mainspring with exactly these dimensions in our shop. Feel free to write to us – we can often still find a suitable spring. Contact form · All mainsprings in our shop
đź”§ Interchangeable spare parts
Which other spare parts of FHF 74-4 fit other calibers:
đź”— According to the catalogue, the same mainspring (GR 4538) also fits
âť“ Frequently asked questions
Which mainspring fits the FHF 74-4?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 10.5 × 0.12 × 340 mm (GR 4538, hand-wound, normal end hook).
Which other calibers use mainspring GR 4538?
According to the catalogue also in A. Michel 530, A. Michel 532, FHF 74, FHF 74 N, FHF 74-2 and 15 other calibers.
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