| COUNTERBORE DIAMETER | 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| NUT COUNTERBORE DEPTH | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM NUT |
| NUT DIAMETER | 0.562 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| NUT HEIGHT | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| PILOT DIAMETER | 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| PILOT LENGTH | 0.248 INCHES NOMINAL |
| PRECIOUS MATERIAL | SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNS |