Dana Spicer companion flange 6.5-1-951 or 651951 is a steel 1810 series flange designed for heavy-duty driveline applications. The flange features a 10-spline (non-involute) connection with a 3.000 in. major diameter and a 4.000 in. ground hub diameter. The female pilot diameter measures 7.750 in., the bolt circle diameter is 7.250 in., and the flange carries 12 drilled bolt holes at 0.440 in. diameter each. Length through the hole is 3.062 in., and the flange face to end of hub measures 3.750 in. This is not a companion flange assembly; it is a stand-alone steel flange. Call us to confirm proper fit for your specific driveline configuration.
Features
Dana Spicer 1810 series companion flange
10-spline, non-involute bore with 3.000 in. major diameter
7.750 in. female pilot diameter
7.250 in. bolt circle with 12 drilled holes at 0.440 in. diameter
4.000 in. ground hub diameter
Steel construction; stand-alone flange (not a companion flange assembly)
Tech Specs
- Series: 1810
- Type: Companion Flange
- Material: Steel
- Spline Count: 10
- Involute Spline: No
- Major Diameter (D): 3.000 in.
- Pilot Diameter (C): 7.750 in. (Female)
- Bolt Circle Diameter (B): 7.250 in.
- Bolt Hole Diameter: 0.440 in. (Drilled)
- Number of Bolt Holes: 12
- Ground Hub Diameter: 4.000 in.
- Length Thru Hole (F): 3.062 in.
- Flange Face to End of Hub (G): 3.750 in.
- Companion Flange Assembly: No
