| FASTENER LENGTH | 2.535 INCHES MINIMUM AND 2.555 INCHES MAXIMUM |
| GRIP LENGTH | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM |
| HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.550 INCHES MINIMUM AND 0.585 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-S6049 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 | 0.375 INCHES |
| SHANK DIAMETER | 0.4047 INCHES MINIMUM AND 0.4057 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 24600 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 | 0.197 INCHES MINIMUM AND 0.217 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 | 24 |
| THREAD SERIES DESIGNATOR | UNJF |