| BARREL HEIGHT | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.344 INCHES MINIMUM AND 0.354 INCHES MAXIMUM NUT |
| FEATURES PROVIDED | FLOATING NUT |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP E4340 NUT |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NUT DIAMETER | 0.587 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.468 INCHES MINIMUM |
| NUT STYLE | FLOATING SELF-LOCKING BARREL |
| NUT LENGTH | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700 METHOD 1 TYPE 2 OR 8 CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |