| BARREL HEIGHT | 0.541 INCHES MINIMUM AND 0.561 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.531 INCHES MINIMUM AND 0.541 INCHES MAXIMUM NUT |
| HARDNESS RATING | 43.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| NUT COUNTERBORE DEPTH | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM NUT |
| NUT DIAMETER | 0.848 INCHES MINIMUM AND 0.858 INCHES MAXIMUM |
| NUT LENGTH | 0.859 INCHES NOMINAL |
| NUT STYLE | FLOATING SELF-LOCKING BARREL |
| NUT HEIGHT | 0.715 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SPECIAL FEATURES | COLOR IDENTIFICATION BLUE |
| SPECIFICATION/STANDARD DATA | 81205-BACN10HC MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNJF |