NAS1805-18: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL, nut_style: DOUBLE HEXAGON, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 1.125 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-326-3458, 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 OR NICKEL ALLOY 718 OVERALL |
| nut_style | DOUBLE HEXAGON |
| lubrication | DRY FILM LUBRICANT |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 1.125 INCHES MAXIMUM IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.150 INCHES NOMINAL IN |
| surface_treatment | PASSIVATE OVERALL |
| width_across_flats | 1.364 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN |
| nominal_thread_size | 1.125 INCHES IN |
| NSN | 5310-01-326-3458 |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 1.125 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 1.822 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 1.364 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WASHER THICKNESS | 0.150 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 1.125 INCHES IN |