| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| NUT STYLE | FLAT WITH TURNED UP EDGE |
| OVERALL HEIGHT | 0.128 INCHES MINIMUM AND 0.148 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| MATERIAL | STEEL CORROSION RESISTING WASHER |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| WASHER OUTSIDE DIAMETER | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.119 INCHES MINIMUM AND 0.126 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| SURFACE TREATMENT | PASSIVATE WASHER |
| TEMP RATING | 900.0 DEG FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES | UNJC |