| BARREL HEIGHT | 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| HARDNESS RATING | 48.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662,5663 OR 5962 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,SELF-LOCKING,BARREL,FLOATING,180 KSI FTU |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| NOMINAL THREAD SIZE | 0.6250 INCHES |
| NUT DIAMETER | 1.045 INCHES MINIMUM |
| NUT HEIGHT | 0.844 INCHES MAXIMUM |
| NUT LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| NUT STYLE | FLOATING SELF-LOCKING BARREL |
| SPECIAL FEATURES | MOLYDISULFIDE SOLID FILM LUBRICATED NUT ELEMENT PER NASM25027 |
| SPECIFICATION/STANDARD DATA | 80205-NAS577 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700,METHOD 1,TYPE 2 OR 8,CLASS 4 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 18 |