| BARREL HEIGHT | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT LENGTH | 1.710 INCHES MINIMUM AND 1.730 INCHES MAXIMUM |
| NUT STYLE | FLOATING SELF-LOCKING BARREL |
| NUT HEIGHT | 1.201 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 OVERALL |
| NOMINAL THREAD SIZE | 1.000 INCHES |
| NUT DIAMETER | 1.656 INCHES MINIMUM AND 1.659 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS577 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 14 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |