| BODY DIAMETER | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| FABRICATION METHOD | CAST |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| OVERALL HEIGHT | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-Z-363 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| MATERIAL | ZINC ALLOY OVERALL EXCEPT INSERT |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT STYLE | WING |
| WING SPREAD WIDTH | 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 20 |