| BOLT HOLE DIAMETER | 0.376 INCHES MINIMUM AND 0.383 INCHES MAXIMUM |
| BOLT HOLE QUANTITY | 4 |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 2.710 INCHES MINIMUM AND 2.730 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.190 INCHES MINIMUM AND 3.210 INCHES MAXIMUM |
| FACE SEATING SURFACE CONDITION | MACHINED |
| FLANGE LENGTH | 4.230 INCHES MINIMUM AND 4.290 INCHES MAXIMUM |
| FLANGE SECTION STYLE | PLAIN FACE, LONG NECK |
| FLANGE WIDTH | 3.570 INCHES MINIMUM AND 3.630 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 7075 |
| NECK DIAMETER | 2.850 INCHES MINIMUM AND 2.910 INCHES MAXIMUM |
| NECK HEIGHT | 0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.410 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 0.500 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| STYLE DESIGNATOR | RECTANGULAR, WITH BOLT HOLES |
| SPECIAL FEATURES | TWO 1/4-28 UNF-3B MTG HOLES THROUGH FLANGE SPACED 3.500 IN. C TO C ALONG LENGTH |
| SURFACE TREATMENT | PAINT |
| THICKNESS | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM |