| FASTENER LENGTH | 1.374 INCHES NOMINAL |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| HEAD STYLE | BEVEL-CONICAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLTS,INTERNAL WRENCHING,160 KSI FTU AND 96 KSI FSU |
| MATERIAL DOCUMENT AND CLASSIFICATION | NAS-7838 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS-20004 THRU 20024 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 0.3755 INCHES MINIMUM AND 0.3785 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416,TY II,CL 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.812 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 20 |