| FASTENER LENGTH | 1.516 INCHES MINIMUM AND 1.546 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3266 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM |
| GRIP LENGTH | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6349, AMS 6342 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS6415, AMS6484 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS6322, AMS63 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,TENSION,HEX HEAD,CLOSE TOLERANCE |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS6605 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS II EMBRITTLEMENT PER NAS4002 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | UNABLE TO DECODE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.469 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 24 |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |