| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES | UNF |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000, COND E-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 1.750 INCHES |
| NUT STYLE | HEXAGON |
| OVERALL HEIGHT | 0.930 INCHES MINIMUM AND 0.990 INCHES MAXIMUM |
| WASHER OUTSIDE DIAMETER | 2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM |
| WASHER THICKNESS | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.975 INCHES MINIMUM AND 2.002 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ST+58-001, CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |