| FASTENER LENGTH | 2.760 INCHES MINIMUM AND 2.780 INCHES MAXIMUM |
| GRIP LENGTH | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM |
| HEAD HEIGHT | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.842 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HY-LOK |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6049 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.5625 INCHES |
| SHANK DIAMETER | 0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 47200 DOUBLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416,TYPE II,CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 18 |