| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| 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 |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES NUT |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL EXCEPT INSERT |
| NUT STYLE | SPLINE |
| PILOT DIAMETER | 0.696 INCHES MINIMUM AND |
| 0.700 INCHES MAXIMUM |
| PILOT LENGTH | 0.423 INCHES MINIMUM AND |
| 0.453 INCHES MAXIMUM |
| NUT DIAMETER | 0.860 INCHES MINIMUM AND |
| 0.890 INCHES MAXIMUM |
| NUT HEIGHT | 0.798 INCHES MINIMUM AND |
| 0.828 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN OR |
| PREVAILING TORQUE ALL NONMETALLIC DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| TEMP RATING | 250.0 DEG FAHRENHEIT MAXIMUM |
| SPECIAL FEATURES | 0.875 IN. WIDTH ACROSS FLATS |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51866-48 |