40561-16LJ: NUT,TUBE COUPLING.
The NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: TUBE COUPLING, nut_height: 1.131 INCHES NOMINAL IN, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT (UNJ). This part is cataloged in the U.S.
Government catalog under NSN 4730-01-153-1899, 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 | STEEL COMP 304 OVERALL |
| nut_style | TUBE COUPLING |
| nut_height | 1.131 INCHES NOMINAL IN |
| seat_angle | 45.0 DEGREES NOMINAL |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT (UNJ) |
| special_features | WITH LOCKWIRE HOLES; LUBRICANT DRY FILM THREADS |
| thread_direction | RIGHT-HAND |
| length_to_shoulder | 0.962 INCHES NOMINAL IN |
| width_across_flats | 1.500 INCHES NOMINAL IN |
| nominal_thread_size | 1.312 INCHES IN |
| end_item_identification | USED ON UH AND E1 AIRCRAFT (97499); USED ON AH1J AIRCRAFT |
| NSN | 4730-01-153-1899 |
| LENGTH TO SHOULDER | 0.962 INCHES NOMINAL IN |
| WIDTH ACROSS FLATS | 1.500 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | T10 LUBE 460 MFR REF 1ST TREATMENT RESPONSE THREADS |
| THREAD SERIES | UNIFIED NATIONAL JOINT (UNJ) |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-F-5509 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| SEAT ANGLE | 45.0 DEGREES NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 1.312 INCHES IN |
| NUT HEIGHT | 1.131 INCHES NOMINAL IN |
| SPECIAL FEATURES | WITH LOCKWIRE HOLES; LUBRICANT DRY FILM THREADS |