| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE |
| MATERIAL | STEEL OVERALL |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 1 FED STD SINGLE TREATMENT RESPONSE OR |
| QQ-P-416,TYPE 2,CLASS 2 FED STD SINGLE TREATMENT RESPONSE OR |
| QQ-P-416,TYPE 2,CLASS 3 FED STD SINGLE TREATMENT RESPONSE OVERALL |
| NUT LENGTH | 1.343 INCHES MAXIMUM |
| NUT HEIGHT | 0.453 INCHES MAXIMUM |
| PLATE THICKNESS | 0.075 INCHES MAXIMUM |
| PLATE WIDTH | 0.718 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM NUT |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND |
| 0.103 INCHES MAXIMUM |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.495 INCHES MINIMUM AND |
| 0.505 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.310 INCHES MINIMUM AND |
| 0.314 INCHES MAXIMUM |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| SPECIFICATION/STANDARD DATA | 80205-NAS1026 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |