| BODY THICKNESS | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE | 0.453 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | CIRCULAR RECESS |
| DISTANCE BETWEEN HOLE CENTERS | 2.875 INCHES NOMINAL |
| FIRST RECESS INSIDE HEIGHT | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM |
| FLANGE THICKNESS | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| FSC APPLICATION DATA | UNDERWATER MINE ANCHOR MK 56 MOD 4,MODEL NO. |
| HOLE DIAMETER | 0.406 INCHES MINIMUM AND 0.436 INCHES MAXIMUM |
| HOLE QUANTITY ALONG LENGTH | 2 |
| INSIDE CORNER RADIUS | 0.020 INCHES MAXIMUM |
| INSIDE DIAMETER | 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-18001 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ZINC |
| PERIPHERAL SHAPE STYLE | ROUND, MULTI HOLES |
| MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE |
| OUTSIDE DIAMETER | 3.771 INCHES MINIMUM AND 3.791 INCHES MAXIMUM |
| SECURING DEVICE TYPE | THREADED FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-1303,SYSTEM NO. 46A MIL STD SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | PAINT |