| DISTANCE BETWEEN HOLES ALONG LENGTH | 3.700 INCHES NOMINAL |
| DISTANCE BETWEEN HOLES ALONG WIDTH | 3.450 INCHES NOMINAL |
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM |
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| BODY THICKNESS | 0.020 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | RECESS, SAME SHAPE AS THE PERIPHERY |
| FIRST RECESS INSIDE HEIGHT | 1.700 INCHES NOMINAL |
| FLANGE THICKNESS | 0.020 INCHES NOMINAL |
| LENGTH | 4.285 INCHES MINIMUM AND 4.315 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC 1ST MATERIAL RESPONSE |
| MATERIAL | COPPER ALLOY |
| PERIPHERAL SHAPE STYLE | RECTANGLE, FOUR HOLES |
| PROPRIETARY CHARACTERISTICS | PACS |
| SECURING DEVICE TYPE | THREADED FASTENER |
| SPECIAL FEATURES | COVER HAS SEVEN 0.219 INCH DIAMETER HOLES ON EACH OF THE FOUR DROP DOWN SIDES. MATERIAL IS BRASS |
| WIDTH | 4.075 INCHES MINIMUM AND 4.105 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-26074, CL 1, GR B MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | NICKEL |