| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A555 AND ASTM-A581 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.1900 INCHES |
| NUT HEIGHT | 0.093 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| NUT DIAMETER | 0.531 INCHES NOMINAL |
| NUT STYLE | CLINCH |
| PILOT LENGTH | 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| PILOT DIAMETER | 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD PITCH DIAMETERS | +0.1437 TO 0.1475 INCHES |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |