- Aperture Diameter
- 1.220 inches minimum and 1.227 inches maximum
- Bolt Circle Hole Quantity
- 3
- Corner Radius
- 0.375 inches nominal
- First Raised Surface Outside Diameter
- 1.260 inches minimum and 1.267 inches maximum
- Hardness Rating
- 34.0 rockwell c minimum and 38.0 rockwell c maximum
- Outside Diameter
- 2.864 inches minimum and 2.884 inches maximum
- Overall Thickness
- 0.125 inches nominal
- Material
- steel comp 4130 overall
- Mounting Bolt Circle Diameter
- 2.312 inches nominal
- Mounting Hole Arrangement Style
- single bolt hole circle
- Mounting Hole Diameter
- 0.265 inches nominal
- Mounting Hole Type
- round, unthreaded
- Raised Surface Height
- 0.250 inches nominal
- Special Features
- id countersunk 80 deg to 1.493 in.min,1.500 in.max dia;1.000 in. distance from center hole to flat center;raised surface feature:included;aperture shape round and included;shape:round
- Surface Treatment
- cadmium and chromate or cadmium and phosphate overall
- Test Data Document
- "81349-mili6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."