| APERTURE DIAMETER | 0.332 INCHES NOMINAL |
| APERTURE SHAPE | ROUND |
| APERTURE TYPE | COUNTERBORED |
| COUNTERBORE DEPTH | 0.344 INCHES NOMINAL0.344 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.487 INCHES NOMINAL0.487 INCHES NOMINAL |
| FEATURES PROVIDED | APERTURE |
| LENGTH | 4.250 INCHES NOMINAL4.250 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-626 FED SPEC 2ND MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL OR STEEL COMP 4130 |
| MOUNTING HOLE DIAMETER | 0.529 INCHES NOMINAL ALL HOLES |
| MOUNTING HOLE QUANTITY | 4 |
| MOUNTING HOLE TYPE | UNTHREADED |
| SHAPE | RECTANGULAR |
| SPECIAL FEATURES | SLOT 0.344 DEEP X 0.750 W CENTERED ON WIDTH; SLOT 0.344 DEEP X 0.750 W CENTERED ON LENGTH AS T-INTERSECTION WITH FIRST SLOT; 2 OTHER THROUGH-HOLES 0.357 DIA; MOUNTING CONFIGURATION: MTG HOLES ON 2.750 X 2.125 RECTANGLE |
| WIDTH | 3.250 INCHES NOMINAL3.250 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232, TY M, CL 2 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-P-16-232, TY Z, CL 3 MIL SPEC 1ST TREATMENT RESPONSE |
| SURFACE TREATMENT | PHOSPHATE MANGANESE OR PHOSPHATE ZINC |
| THICKNESS | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL |