| FASTENER LENGTH | 0.988 INCHES MINIMUM AND 1.028 INCHES MAXIMUM |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,SHOULDER,HEX HEAD,COLSE TOLERANCE,CRES,A286,95 KSI FSU |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731,5732,5737 OR 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| 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 |
| SPECIFICATION/STANDARD DATA | 80205-NAS1160 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 4006 NATIONAL STD SINGLE TREATMENT RESPONSE HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 4006 NATIONAL STD SINGLE TREATMENT RESPONSE THREADS |
| SURFACE TREATMENT | ALUMINUM HEAD |
| SURFACE TREATMENT | ALUMINUM THREADS |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.415 INCHES MINIMUM AND 0.435 INCHES MAXIMUM |