| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL FIRST END |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL | STEEL COMP 1010 OVERALL EXCEPT INSERT |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| PROPRIETARY CHARACTERISTICS | MRCS |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| NUT HEIGHT | 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL EXCEPT INSERT |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNF |