| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.710 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 1.910 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6427 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.6200 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 1.430 INCHES NOMINAL FIRST SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ST+58-005 FSCM 98897 MFR REF 1ST TREATMENT RESPONSE OR ST+58-102 FSCM 98897 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR NICKEL OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.390 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |