| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE |
| MATERIAL | STEEL OVERALL |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3BG |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND |
| 46.0 ROCKWELL C MAXIMUM |
| NUT LENGTH | 0.639 INCHES MAXIMUM |
| NUT HEIGHT | 0.195 INCHES MINIMUM AND |
| 0.210 INCHES MAXIMUM |
| PLATE THICKNESS | 0.032 INCHES MINIMUM AND |
| 0.047 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.062 INCHES MINIMUM AND |
| 0.072 INCHES MAXIMUM NUT |
| COUNTERBORE DIAMETER | 0.194 INCHES MINIMUM AND |
| 0.204 INCHES MAXIMUM NUT |
| NUT MOUNTING PROVISION | COUNTERSUNK HOLES |
| MOUNTING HOLE COUNTERSINK ANGLE | 98.0 DEGREES MINIMUM AND |
| 102.0 DEGREES MAXIMUM |
| MOUNTING PROVISION LOCATION | OPPOSITE NUT PROJECTION SIDE |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND |
| 0.103 INCHES MAXIMUM |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.339 INCHES MINIMUM AND |
| 0.349 INCHES MAXIMUM |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 00198 |
| MFR SOURCE CONTROLLING REFERENCE | 3016558 |