KFN526DL-5: NUT,SELF-LOCKING,ASSEMBLED WASHE.
NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: FLAT WITH TURNED UP EDGE, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.430 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-320-8096, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | IRON ALLOY 660 OVERALL |
| nut_style | FLAT WITH TURNED UP EDGE |
| lubrication | DRY FILM LUBRICANT |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.430 INCHES NOMINAL IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| nominal_thread_size | 0.3125 INCHES IN |
| counterbore_diameter | 0.423 INCHES NOMINAL WASHER IN |
| nut_counterbore_depth | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM NUT IN |
| NSN | 5310-01-320-8096 |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.430 INCHES NOMINAL IN |
| WASHER OUTSIDE DIAMETER | 0.580 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NUT COUNTERBORE DEPTH | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM NUT IN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.3125 INCHES IN |
| COUNTERBORE DIAMETER | 0.346 INCHES MINIMUM AND 0.350 INCHES MAXIMUM NUT IN |
No substitute or cross-reference records for this part.