| FASTENER LENGTH | 2.155 INCHES MINIMUM AND 2.165 INCHES MAXIMUM |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HEAD DIAMETER | 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| HEAD STYLE | DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL |
| NOMINAL THREAD DIAMETER | 0.437 INCHES |
| RIB LENGTH | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| RIB MAJOR DIAMETER | 0.457 INCHES NOMINAL |
| RIB QUANTITY | 46 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.685 INCHES MINIMUM AND 0.695 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |