| FASTENER LENGTH | 6.637 INCHES MINIMUM AND 6.657 INCHES MAXIMUM |
| GRIP DIAMETER | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM |
| GRIP LENGTH | 5.740 INCHES MINIMUM AND 5.760 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | IL-S-5000 FED SPEC 10TH MATERIAL RESPONSE AND IL-6049 FED STD 10TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 AND STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS6610 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY2CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE AND CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.902 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |