| HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT HEIGHT | 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM |
| NUT STYLE | SINGLE BALL SEAT, DOUBLE HEXAGON |
| MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4340 OVERALL EXCEPT INSERT |
| NOMINAL THREAD SIZE | 1.000 INCHES |
| WIDTH ACROSS FLATS | 1.190 INCHES MINIMUM AND 1.770 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-23377,TY1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OR 2 FED STD 9TH TREATMENT RESPONSE AND MIL-C-83286 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | PAINT OVERALL EXCEPT THREADS |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNJS |
| THREAD QUANTITY PER INCH | 14 |