| APERTURE DIAMETER | 0.880 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.120 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 1.620 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | FLAT W/APERTURE |
| OUTSIDE DIAMETER | 3.230 INCHES MINIMUM AND 3.270 INCHES MAXIMUM |
| OUTSIDE RAISED SURFACE DIAMETER | 0.114 INCHES MINIMUM AND 2.124 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A250/12 T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| MINOR THICKNESS | 0.440 INCHES NOMINAL |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED, COUNTERSUNK |
| RAISED SURFACE HEIGHT | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| SPECIAL FEATURES | ONE CENTRAL MTG HOLE CENTER RECESSED TO 0.440 IN. DEPTH BY 0.880 IN. FLAT BASE WITH INSIDE CORNER ROUNDED BY 0.250 IN. RADIUS AND OUTSIDE CORNER ROUNDED BY 0.250 IN. RADIUS TO 1.810 IN. DIA; |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |