Mainspring for FHF 729-7
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 2974 | 1.20 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 86.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
🔧 Interchangeable spare parts
Which other spare parts of FHF 729-7 fit other calibers:
🔗 According to the catalogue, the same mainspring (GR 2974) also fits
❓ Frequently asked questions
Which mainspring fits the FHF 729-7?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 10.5 × 0.12 × 340 mm (GR 2974, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 1 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 2974?
According to the catalogue also in Benrus DU, Benrus EU, BFG 58, BFG 158, Elgin 816 and 23 other calibers.
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