NUT,PLAIN,EXTENDED WASHER,ROUND. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.340 INCHES NOMINAL IN, special_features: BODY DIA. 0.518 IN.;SURFACE TREAT K-103,CAGEC 76823,B4 PRIMER; LOW OBSERVABLE ITEM IN, thread_direction: RIGHT-HAND.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-8716, 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 | TITANIUM ALLOY UNS R56400 OVERALL |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.340 INCHES NOMINAL IN |
| special_features | BODY DIA. 0.518 IN.;SURFACE TREAT K-103,CAGEC 76823,B4 PRIMER; LOW OBSERVABLE ITEM IN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.040 INCHES NOMINAL IN |
| countersink_angle | 110.0 DEGREES NOMINAL BOSS |
| surface_treatment | PAINT LUSTERLESS OVERALL EXCEPT THREADS |
| nominal_thread_size | 0.4375 INCHES IN |
| supplementary_features | USED AS INSERT,PRESSURE TAP W/PN -001 |
| washer_outside_diameter | 1.000 INCHES NOMINAL IN |
| NSN | 5310-00-208-8716 |
| THREAD CLASS | 3B |
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.138 INCHES IN |
| BEARING SURFACE TYPE | FLAT |
| THREAD QUANTITY PER INCH | 40 |
| NUT STYLE | HEXAGON |
| SURFACE TREATMENT | ZINC OR CHROMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL IN |
| NUT HEIGHT | 0.094 INCHES NOMINAL IN |