| DISTANCE FROM MOUNTING HOLE CENTER TO BASE | 0.150 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH | 0.260 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| DISTANCE FROM BASE TO CENTER OF APERTURE | 0.460 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/12,ALLOY 7075,T6 OR T651 FED SPEC SINGLE MATERIAL RESPONSE BASE |
| MATERIAL | ALUMINUM ALLOY BASE |
| MATERIAL | STEEL NUT |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT HEIGHT | 0.281 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| NUT STYLE | PLATE |
| NUT LENGTH | 1.350 INCHES MINIMUM AND 1.410 INCHES MAXIMUM |
| PLATE THICKNESS | 0.085 INCHES NOMINAL |
| PLATE WIDTH | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM |
| SPECIAL FEATURES | THICKNESS OF BASE TAPERED FROM 0.070 TO 0.035 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNJF |