| EXTENDED WASHER DIAMETER | 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| FASTENER LENGTH | 4.203 INCHES MINIMUM AND 4.233 INCHES MAXIMUM |
| HEAD HEIGHT | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SHOULDER DIAMETER | 0.7792 INCHES MINIMUM AND 0.7802 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 3.115 INCHES MINIMUM AND 3.135 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.068 INCHES MINIMUM AND 1.118 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |