| FASTENER LENGTH | 8.500 INCHES NOMINAL |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.810 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX CAP SCREW |
| MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.375 INCHES |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 3.000 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 7 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 1.994 INCHES MINIMUM AND 2.062 INCHES MAXIMUM |