| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING INSERT |
| MATERIAL | STEEL NUT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 20.0 MILLIMETERS |
| NUT HEIGHT | 22.78 MILLIMETERS MINIMUM AND 23.00 MILLIMETERS MAXIMUM |
| NUT STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 29.73 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE NUT OR MIL-C-87115 MIL SPEC 2ND TREATMENT RESPONSE NUT |
| SURFACE TREATMENT | CADMIUM NUT AND CHROMATE NUT OR ZINC NUT AND CHROMATE NUT |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 1.50 |
| THREAD TOLERANCE CLASS | 6H INTERNAL |
| THREAD SERIES | M |