| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | PLASTIC POLYIMIDE 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 | UNC |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | VESPEL MFR REF SINGLE MATERIAL RESPONSE LOCKING INSERT |
| 66 FED STD SINGLE MATERIAL RESPONSE NUT |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| NUT HEIGHT | 0.318 INCHES MINIMUM AND |
| 0.469 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL NUT |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| SPECIFICATION/STANDARD DATA | 80205-MS17829-6C(MOD/VESPEL INSERT) NATIONAL STD/SPEC |