| EXTERNAL PREBENT KEY ANGLE | 90.0 DEGREES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 3.0 MILLIMETERS NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 5.85 MILLIMETERS MINIMUM AND 6.15 MILLIMETERS MAXIMUM |
| HOLE DIAMETER | 12.95 MILLIMETERS MINIMUM AND 13.05 MILLIMETERS MAXIMUM |
| MATERIAL THICKNESS | 5.0 MILLIMETERS NOMINAL |
| III MATERIAL | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 56.0 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | ONE HOLE 4.95 MM MIN AND 5.127 MM MAX DIA LOCATED ON WASHER |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232,TY M,CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |