| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 1.248 INCHES MINIMUM AND 1.252 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 120.0 DEGREES MAXIMUM SHELL |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.625 INCHES NOMINAL |
| DRILLED HOLE DIAMETER | 0.161 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| HOLE TYPE AND QUANTITY | 2 DRILLED |
| LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE COUNTERSINK ANGLE | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM |
| MOUNTING HOLE DIAMETER | 0.146 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| MOUNTING PROVISION LOCATION | NUT PROJECTION SIDE |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| NUT HEIGHT | 0.630 INCHES MAXIMUM |
| NUT STYLE | PLATE |
| NUT LENGTH | 1.602 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | COUNTERSUNK HOLES |
| PLATE THICKNESS | 0.115 INCHES MAXIMUM |
| PLATE WIDTH | 0.859 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNJF |