| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| OVERALL HEIGHT | 0.465 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT |
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP E4340 NUT |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.636 INCHES MAXIMUM |
| WASHER THICKNESS | 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| SURFACE TREATMENT | CADMIUM AND CHROMATE NUT |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 24 |