| HOLE DIAMETER | 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS5528 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.123 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 630 OR STEEL COMP 631 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 0.645 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| RADIUS | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCAVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS10-85, TYPE I, CLASS A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM ALLOY OVERALL |