| BEARING SURFACE TYPE | CHAMFERED |
| COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL FIRST END |
| CRITICALITY CODE JUSTIFICATION | ZZZX |
| DEPARTURE FROM CITED DESIGNATOR | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI/SAE 1137 FED STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT OR MIL-B-857 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,COMPOSITION A,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| MATERIAL | PLASTIC LOCKING INSERT |
| MATERIAL | STEEL COMP 1137 OVERALL EXCEPT INSERT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 1.000 INCHES |
| NUT HEIGHT | 1.010 INCHES MINIMUM AND 1.141 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 8 |
| THREAD SERIES | UNC |