T-SM39RR - M39.5 x 0.5 Retaining Ring
T-SM39RR - M39.5 x 0.5 Retaining Ring
- Standard Retaining Rings for Optics Ranging from Ø39 mm to Ø2"
- Thread M39.5 x 0.5
- Thickness 0.10" (2.5 mm)
- Clear Aperture Ø1.44" (Ø36.5 mm)
- Compatible Spanner Wrench T-SPW801
| T-M39.5 x 0.5 Threading | |||
|---|---|---|---|
| Internal Thread | External Thread | ||
| Min Major Diameter | 39.500 mm | Max Major Diameter | 39.480 mm |
| Min Pitch Diameter | 39.175 mm | Min Major Diameter | 39.371 mm |
| Max Pitch Diameter | 39.305 mm | Max Pitch Diameter | 39.155 mm |
| Min Minor Diameter (and 83.3% of Thread) |
38.959 mm | Min Pitch Diameter | 39.056 mm |
| Max Minor Diameter (and 64.9% of Thread) |
39.094 mm | Max Minor Diameter | 38.938 mm |