| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT |
| MATERIAL | PLASTIC POLYAMIDE (NYLON) LOCKING INSERT |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 8740 NUT |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| NUT STYLE | DOUBLE HEXAGON |
| OVERALL HEIGHT | 0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 78286-SS5088 MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL EXCEPT INSERT |
| TEMP RATING | 250.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNJF |
| WASHER OUTSIDE DIAMETER | 0.677 INCHES MINIMUM AND 0.687 INCHES MAXIMUM |
| WASHER THICKNESS | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |