HO-Scale Knuckle Springs For use with all Scale Head Couplers. (#58, #78, #119, #150-Series, #178 & #2100)
Package Includes:
- (1) Dozen #625 Knuckle Springs
#625 Spring Specifications:
| Part Number (catalog) | - 625 | 
| Part Number (in house) | - HO-4 | 
| Outside Diameter | - 0.054 | 
| Inside Diameter | - 0.046 | 
| Wire Diameter | - 0.004 | 
| Pitch | - 0.012 | 
| Total Coils | - 10.0 | 
| Free Length | - 0.133 | 
| Solid Height | - 0.040 | 
| Load (Solid Height) | - 5.0 | 
| Closed Coils | - ¾ | 
| Material | - PB | 
 
                