| BEARING SURFACE TYPE | FLAT |
| HARDNESS RATING | NOT RATED |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | UNI7231-C35 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT (1) SELF-LOCKING HEXAGON |
| III PURCHASE DESCRIPTION IDENTIFICATION | A3503-726512534U01 |
| NOMINAL THREAD SIZE | 10.000 MILLIMETERS |
| NUT HEIGHT | 13.000 MILLIMETERS NOMINAL |
| NUT STYLE | HEXAGON |
| SPECIAL FEATURES | PER USO SPECIFICO DELLA F.A. |
| WIDTH ACROSS FLATS | 17.000 MILLIMETERS NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | UNI8159 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | COPPER OVERALL |
| TEMP RATING | -100.0 DEG CELSIUS MINIMUM AND 260.0 DEG CELSIUS MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 1.250 |
| THREAD TOLERANCE CLASS | 6H INTERNAL |
| THREAD SERIES | ISO M |