| BODY THICKNESS | 0.356 INCHES NOMINAL | 
| CORNER RADIUS | 0.500 INCHES NOMINAL | 
| CROSS-SECTIONAL SHAPE STYLE | SQUARE OR RECTANGULAR RECESS | 
| DISTANCE BETWEEN HOLES ALONG WIDTH | 3.500 INCHES NOMINAL | 
| DISTANCE BETWEEN HOLES ALONG LENGTH | 3.500 INCHES NOMINAL | 
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 0.500 INCHES NOMINAL | 
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 0.500 INCHES NOMINAL | 
| FIRST RECESS INSIDE HEIGHT | 0.706 INCHES NOMINAL | 
| FLANGE THICKNESS | 0.500 INCHES NOMINAL | 
| FSC APPLICATION DATA | MISCELLANEOUS VEHICULAR COMPONENTS | 
| HOLE DIAMETER | 0.516 INCHES NOMINAL | 
| INSIDE CORNER RADIUS | 0.016 INCHES NOMINAL | 
| INSIDE LENGTH | 3.873 INCHES MINIMUM AND 3.874 INCHES MAXIMUM | 
| INSIDE WIDTH | 3.873 INCHES MINIMUM AND 3.874 INCHES MAXIMUM | 
| LENGTH | 4.438 INCHES MINIMUM AND 4.500 INCHES MAXIMUM | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-681,CLASS 2 FED SPEC SINGLE MATERIAL RESPONSE | 
| MATERIAL | STEEL | 
| PERIPHERAL SHAPE STYLE | RECTANGLE, FOUR HOLES | 
| MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | 
| SECURING DEVICE TYPE | THREADED FASTENER | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE | 
| SURFACE TREATMENT | PHOSPHATE | 
| WIDTH | 4.438 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |