ST57D100-1: 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: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN, seat_angle: 45.00 DEGREES NOMINAL, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.
Government catalog under NSN 4730-00-001-3956, 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 | 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| seat_angle | 45.00 DEGREES NOMINAL |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| special_features | 3000 PSI OPERATING PRESSURE AT MAX OF 275 DEGREES |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE OVERALL |
| length_to_shoulder | 0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN |
| width_across_flats | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| nominal_thread_size | 0.438 INCHES IN |
| NSN | 4730-00-001-3956 |
| LENGTH TO SHOULDER | 0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SEAT ANGLE | 45.00 DEGREES NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.438 INCHES IN |
| NUT HEIGHT | 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| SPECIAL FEATURES | 3000 PSI OPERATING PRESSURE AT MAX OF 275 DEGREES |