| BASE THICKNESS | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| BASE WIDTH | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| NUT HEIGHT | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| NUT STYLE | GANG CHANNEL, SELF LOCKING |
| NUT LENGTH | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3BG |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 32 |