| DISTANCE FROM CENTERLINE OF THREADED HOLE TO END OF NUT | 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM NUT |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| NUT DIAMETER | 0.679 INCHES MINIMUM AND 0.683 INCHES MAXIMUM |
| NUT STYLE | PLAIN BARREL |
| NUT LENGTH | 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM |
| SPECIAL FEATURES | 0.065 IN. MIN,0.075 IN MAX BY 0.222 IN. MILLED FLAT ON THE OD |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |