| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 88.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM NUT |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL | PLASTIC POLYAMIDE (NYLON) LOCKING INSERT |
| MATERIAL | STEEL NUT |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT HEIGHT | 0.240 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| NUT LENGTH | 1.062 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| NUT STYLE | PLATE |
| PLATE THICKNESS | 0.075 INCHES MAXIMUM |
| PLATE WIDTH | 0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL EXCEPT INSERT |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 28 |