| HOLE CONFIGURATION STYLE | CONFIGURATION C |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CL A, UN N04400 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| MATERIAL | NICKEL ALLOY 400 NUT |
| NOMINAL THREAD SIZE | 1.5 INCHES |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.73 INCHES MINIMUM AND 0.79 INCHES MAXIMUM |
| SHOULDER STEP WIDTH | 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| SHOULDER WIDTH | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| SMALLEST INSIDE DIAMETER | 1.21 INCHES MINIMUM AND 1.23 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | UNION NUT |
| SPECIAL FEATURES | WIDTH ACROSS POINTS - NOMINAL DIAMETER IS 2.060 |
| WIDTH ACROSS FLATS | 1.798 INCHES MINIMUM AND 1.813 INCHES MAXIMUM |
| THREAD SERIES | UNS |
| THREAD QUANTITY PER INCH | 14 |