| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT |
| STEEL COMP 1137 NUT |
| NUT STYLE | HEXAGON |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| BEARING SURFACE TYPE | CHAMFERED OR |
| WASHER FACED |
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR |
| MIL-S-1222 MIL SPEC 2ND MATERIAL RESPONSE NUT |
| MIL-M-20693 COMP A TY I MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| SURFACE TREATMENT | ZINC OVERALL EXCEPT INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM-B-633-78,FE/ZN 8,TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| NUT HEIGHT | 0.855 INCHES MINIMUM AND |
| 0.891 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.052 INCHES MINIMUM AND |
| 1.064 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL NUT |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |