| HOLE CONFIGURATION STYLE | CONFIGURATION B |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-D4066, GROUP 1, CLASSS 1 OR 2 ASSN STD 2ND MATERIAL RESPONSE LOCKING INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MS21083 MIL SPEC 1ST MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| MATERIAL | STEEL CORROSION RESISTING OVERALL EXCEPT INSERT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LOCKING, HEXAGON, NON METALLIC INSERT, LOW HEIGHT, 250 DEGREES FAHRENHEIT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NUT STYLE | HEXAGON |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 (SUPERSEDED BY SAE-AMS-QQ-P-35) FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | PASSIVATE OVERALL EXCEPT INSERT |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNJF |