| BEARING SURFACE TYPE | WASHER FACED |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6304 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 601 OVERALL |
| NOMINAL THREAD SIZE | 1.500 INCHES |
| NUT HEIGHT | 0.623 INCHES MINIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1759 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 2.176 INCHES MINIMUM AND 2.190 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 12 |