| DISTANCE FROM HORIZONTAL CENTERLINE TO CENTER OF LOWER HOLE | 0.750 INCHES NOMINAL |
| APERTURE DIAMETER | 0.6875 INCHES MINIMUM AND 0.7031 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/ APERTURE |
| DISTANCE BETWEEN HOLES ALONG WIDTH | 1.500 INCHES NOMINAL |
| OUTSIDE DIAMETER | 3.250 INCHES NOMINAL |
| OUTSIDE RAISED SURFACE DIAMETER | 2.496 INCHES MINIMUM AND 2.498 INCHES MAXIMUM |
| OVERALL THICKNESS | 1.063 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 903 OVERALL |
| MOUNTING HOLE DIAMETER | 0.188 INCHES NOMINAL |
| MOUNTING HOLE ARRANGEMENT STYLE | VERTICAL CENTERLINE |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| RAISED SURFACE HEIGHT | 0.533 INCHES NOMINAL |
| SPECIAL FEATURES | OD OF FLANGE THREADED3.250 IN.-12UN-3A; 16.0 MICROIN FIN. ON INNER CHAMFER OF APERTURE AS MOUNTED; FRONT FACE COUNTERSUNK 1.000 IN. DIA BY 30.0 DEG; BACKFACE COUNTERSUNK 1.875 IN. DIA BY 60.0 DEG; CIRCUMFERENTIAL GROOVE OD RAISEDSURFACE,0.284 IN. WIDE,2.157 IN. DIA |
| STYLE DESIGNATOR | ROUND |
| SURFACE FINISH | 63.0 MICROINCHES OUTER FACE AS MOUNTED |
| SURFACE FINISH | 63.0 MICROINCHES RAISED SURFACE |