| LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| OVERALL HEIGHT | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD 1ST MATERIAL RESPONSE AND AMS5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OR NICKEL ALLOY 718 OVERALL |
| NOMINAL THREAD SIZE | 0.1900 INCHES |
| NUT STYLE | DOUBLE HEXAGON |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM IS FAA CERTIFIED |
| SPECIAL FEATURES | ITEM IS FAA CERTIFIED |
| WASHER OUTSIDE DIAMETER | 0.287 INCHES MINIMUM |
| WASHER THICKNESS | 0.015 INCHES MINIMUM |
| WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700, TYPE 2 OR TYPE 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 32 |