| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE OR |
| PLASTIC POLYCAPROLACTAM LOCKING INSERT |
| STEEL COMP 1137 NUT |
| NUT STYLE | HEXAGON |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| BEARING SURFACE TYPE | CHAMFERED |
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 COMP A TYPE1 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-M-20693 COMP B TYPE4 AND 4A MIL SPEC 2ND MATERIAL RESPONSE LOCKING INSERT |
| AMS5024 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| NUT HEIGHT | 0.438 INCHES MINIMUM AND |
| 0.468 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.615 INCHES MINIMUM AND |
| 0.627 INCHES MAXIMUM |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| SPECIAL FEATURES | MAGNETIC PARTICLE INSPECTION |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 019L2 |
| DESIGN CONTROL REFERENCE | G52N1610-070 |