| FASTENER LENGTH | 0.933 INCHES MINIMUM AND 0.963 INCHES MAXIMUM |
| HEAD HEIGHT | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| INTERNAL DRIVE STYLE | TORQUE-SET RIBBED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.318 INCHES NOMINAL |