| FASTENER LENGTH | 3.25 INCHES NOMINAL |
| HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A/ASTM F468 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 400 OVERALL |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX CAP SCREW |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SPECIFICATION/STANDARD DATA | 81349-MIL-DTL-1222J GOVERNMENT SPECIFICATION |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.00 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |