| NOMINAL THREAD SIZE | 1.875 INCHES |
| NUT DIAMETER | 2.100 INCHES MINIMUM AND 2.160 INCHES MAXIMUM |
| NUT HEIGHT | 1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| NUT STYLE | ROUND |
| SPECIAL FEATURES | 6 SPANNER SLOTS,0.375 IN.DIA |
| SHOULDER STEP WIDTH | 0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| SHOULDER WIDTH | 0.480 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| SMALLEST INSIDE DIAMETER | 1.617 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES | UN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 12L14 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |