| COUNTERBORE DIAMETER | 0.280 INCHES MINIMUM NUT |
| FEATURES PROVIDED | FLOATING NUT |
| HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE SHELL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5085 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL | STEEL COMP 1050 NUT |
| MATERIAL | STEEL COMP 1137 SHELL |
| PILOT DIAMETER | 0.374 INCHES MAXIMUM |
| PILOT LENGTH | 0.090 NOMINAL CENTIMETERS |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT COUNTERBORE DEPTH | 0.047 INCHES MINIMUM NUT |
| NUT DIAMETER | 0.444 INCHES MAXIMUM |
| NUT HEIGHT | 0.365 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,CLASS 3,TYPE 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNF |