| FASTENER LENGTH | 3.131 INCHES MINIMUM AND 3.161 INCHES MAXIMUM |
| GRIP DIAMETER | 1.1225 INCHES MINIMUM AND 1.1240 INCHES MAXIMUM |
| GRIP LENGTH | 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM |
| HEAD HEIGHT | 0.562 INCHES MINIMUM AND 0.577 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6349 OR 6382 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR AMS6415 OR 6484 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR AMS6322, 6325 OR 6327 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,TENSION,HEX HEAD,CLOSE TOLERANCE,ALLOY STEEL,LONG THREAD,REDUCED MAJOR DIA.,SELF-LOCKING AND NONLOCKING,160 KSI FTU |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.1250 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS6603 THRU NAS6620 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE FINISH | 32.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416,TY II,CL 2;EMBRITTLEMENT REQUIREMENT PER NAS4002 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | UNABLE TO DECODE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.458 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 12 |
| WIDTH BETWEEN FLATS | 1.614 INCHES MINIMUM AND 1.627 INCHES MAXIMUM |