| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| COUNTERSINK ANGLE | 109.0 DEGREES MINIMUM AND 111.0 DEGREES MAXIMUM NUT |
| DRILLED HOLE DIAMETER | 0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM |
| HOLE CONFIGURATION STYLE | CONFIGURATION B |
| HOLE TYPE AND QUANTITY | 3 DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS5732 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS5737 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, PLAIN HEXAGON |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 1.375 INCHES |
| NUT HEIGHT | 0.594 INCHES NOMINAL |
| NUT STYLE | HEXAGON |
| SPECIAL FEATURES | CRES- 150,000 PSI MIN TS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS | 1.851 INCHES MINIMUM AND 1.877 INCHES MAXIMUM |