| HOLE CONFIGURATION STYLE | CONFIGURATION B |
| LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.673 INCHES MINIMUM AND 0.683 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.625 INCHES |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| WASHER THICKNESS | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.741 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |