| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1211 OR STEEL COMP 1213 OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| NUT DIAMETER | 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| NUT HEIGHT | 0.427 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| PILOT DIAMETER | 0.731 INCHES MINIMUM AND 0.736 INCHES MAXIMUM |
| PILOT LENGTH | 0.220 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNF |