| LUBRICATION | SOLUBLE LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL | IRON ALLOY 660 WASHER |
| MATERIAL | STEEL COMP XM-13 NUT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| NUT COUNTERBORE DEPTH | 0.072 INCHES MINIMUM NUT AND 0.087 INCHES MAXIMUM NUT |
| NUT STYLE | FLAT WITH TURNED UP EDGE |
| OVERALL HEIGHT | 0.629 INCHES MINIMUM AND 0.649 INCHES MAXIMUM |
| WASHER OUTSIDE DIAMETER | 0.945 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.616 INCHES MINIMUM AND 0.627 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 | 20 |
| THREAD SERIES | UNJF |
| COUNTERBORE DIAMETER | 0.541 INCHES MINIMUM NUT AND 0.551 INCHES MAXIMUM NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |