Siemens 8PQ9500-0BA50 is a SIVACON S4 accessory pack of 50 curved spring lock washers to DIN 128, sized for M10 screws. Washers are FST spring steel with a Geomet 321 A surface finish; outer diameter 18 mm, inner diameter 10.1 mm, thickness 1.8 mm. Country of origin Germany.
| Manufacturer part number (MPN) | 8PQ9500-0BA50 |
| EAN / GTIN | 4042948169698 |
| Sales unit | pcs |
| Product brand name | SIVACON S4 |
| Product designation | lock washers |
| Design of the product | M10 |
| Surface processing | Geomet 321 A |
| Material | FST |
| Product component on delivery | 50 units |
| Internal diameter of lock washer | 10.1 mm |
| Outer diameter of lock washer | 18 mm |
| Suitable for screw dimension (metric) | 10 mm |
| Model — Net Weight | 112 g |
| Material thickness | 1.8 mm |
| Country of origin | Germany |
| MOQ | 1 |