| DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE | 0.250 INCHES NOMINAL |
| ATTACHMENT METHOD | SETSCREWS |
| COUNTERBORE DEPTH | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.660 INCHES NOMINAL |
| GRIPPING SURFACE CONDITION | SMOOTH |
| INSIDE DIAMETER | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| OVERALL DEPTH | 0.500 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-596 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM |
| NOMINAL THREAD SIZE | 0.164 INCHES SCREW HOLE |
| POINTER DESIGN | NONDETACHABLE |
| REFERENCE MARKING | DOT AND LINE |
| SCREW DRIVE TYPE | HEXAGON SOCKET |
| SETSCREW HOLE QUANTITY | 1 |
| SHAFT ACCOMMODATION STYLE | COUNTERBORED |
| SKIRT DESIGN | NONDETACHABLE |
| SKIRT OUTSIDE DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| SKIRT STYLE | RING |
| SPECIAL FEATURES | SHAFT IS FLATTED ON ONE SIDE |
| STYLE DESIGNATOR | ROUND WITH SINGLE POINTED BAR FACE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | ANODIZE |
| THREAD QUANTITY PER INCH | 32 SCREW HOLE |
| THREAD SERIES DESIGNATOR | UNC SCREW HOLE |