| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE ALL NONMETALLIC DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT DIAMETER | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| NUT HEIGHT | 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES NUT |
| MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| MATERIAL | STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 NUT |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SPECIAL FEATURES | 0.875 IN. WIDTH ACROSS FLATS |
| PILOT LENGTH | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
| PILOT DIAMETER | 0.696 INCHES MINIMUM AND 0.700 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,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 SERIES | UNF |
| THREAD QUANTITY PER INCH | 20 |