| BEARING SURFACE TYPE | CHAMFERED |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 20.70 MILLIMETERS MINIMUM AND 22.80 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | GRADE 10 STEEL PER ISO 898-2 AND ISO 2320 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE NUT |
| MATERIAL | STEEL NUT |
| NOMINAL THREAD SIZE | 20.0 MILLIMETERS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT)-PROPERTY CLASSES 5,8 AND 10 |
| THREAD CLASS | 6H |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 2.5 |
| THREAD SERIES | M |
| WIDTH ACROSS FLATS | 29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM |
| SPECIFICATION/STANDARD DATA | I9008-ISO7040 INTERNATIONAL STD/SPEC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO 4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE NUT |
| SURFACE TREATMENT | ZINC NUT |