| FASTENER LENGTH | 2.698 INCHES MINIMUM AND 2.718 INCHES MAXIMUM |
| GRIP LENGTH | 1.933 INCHES MINIMUM AND 1.943 INCHES MAXIMUM |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.740 INCHES MINIMUM AND 0.775 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-S-6049 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6349 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 4340 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SHANK DIAMETER | 0.5297 INCHES MINIMUM AND 0.5307 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 42000 DOUBLE POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HY-LOK |
| SPECIAL FEATURES | NON-LUBED PINS MUST BE USED WITH WET SEALANT OR LUBED COLLARS |
| WIDTH BETWEEN FLATS | 0.269 INCHES MINIMUM AND 0.289 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 QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNJF |