| DISTANCE FROM BASE TO CENTER OF APERTURE | 0.400 INCHES NOMINAL0.400 INCHES NOMINAL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM38.0 ROCKWELL C MAXIMUM |
| OVERALL WIDTH | 0.437 INCHES NOMINAL0.437 INCHES NOMINAL |
| PANEL THICKNESS | 0.160 INCHES NOMINAL0.160 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES0.190 INCHES |
| NUT STYLE | FLOATINGFLOATING |
| PRECIOUS MATERIAL AND LOCATION | ON NUT SILVER |
| PRECIOUS MATERIAL | SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| THREAD CLASS | 3B3B |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 3232 |