| FASTENER LENGTH | 1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| HARDNESS RATING | 80.0 ROCKWELL B MINIMUM FASTENER |
| HEAD DIAMETER | 1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| HEAD HEIGHT | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | PATCH OR PELLET OR STRIP THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| MATERIAL | NICKEL ALLOY 400 FASTENER |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 400 GRADE |
| WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.500 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 10 |
| THREAD SERIES DESIGNATOR | UNRC |