| BEARING SURFACE TYPE | CHAMFERED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADES A AND B |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-2, GRADE 10 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 20.0 MILLIMETERS |
| NUT HEIGHT | 16.90 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM |
| NUT STYLE | HEXAGON |
| SPECIAL FEATURES | COLOR IS DRAB OLIVE TO OLIVE BROWN |
| WIDTH ACROSS FLATS | 29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM |
| SPECIFICATION/STANDARD DATA | I9008-ISO 4032 INTERNATIONAL STD/SPEC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 6H |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 2.5 |
| THREAD SERIES | M |