63551-56A: NUT ASSEMBLY,TUBE COUPLING.
The NUT ASSEMBLY,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, thread_size: 4.250-12, thread_class: 2B, overall_length: 0.701 INCHES NOMINAL IN, outside_diameter: 4.427 INCHES NOMINAL IN, special_features: FURNISHED WITH TWO WASHERS. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-028-7976, 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 | ALUMINUM ALLOY |
| thread_size | 4.250-12 |
| thread_class | 2B |
| overall_length | 0.701 INCHES NOMINAL IN |
| outside_diameter | 4.427 INCHES NOMINAL IN |
| special_features | FURNISHED WITH TWO WASHERS |
| style_designator | NUT ASSEMBLY |
| thread_direction | RIGHT-HAND |
| surface_treatment | ANODIZE |
| working_temp_and_service_type | 65.0 DEG FAHRENHEIT MINIMUM JET FUEL AND 160.0 DEG FAHRENHEIT MAXIMUM JET FUEL |
| screw_thread_series_designator | UN |
| working_pressure_and_service_type | 125.0 POUNDS PER SQUARE INCH (PSI) NOMINAL JET FUEL LBS |
| NSN | 4730-01-028-7976 |
| WORKING TEMP AND SERVICE TYPE | 65.0 DEG FAHRENHEIT MINIMUM JET FUEL AND 160.0 DEG FAHRENHEIT MAXIMUM JET FUEL |
| TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED | 3.500 INCHES NOMINAL IN |
| STYLE DESIGNATOR | NUT ASSEMBLY |
| OVERALL LENGTH | 0.701 INCHES NOMINAL IN |
| OUTSIDE DIAMETER | 4.427 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SIZE | 4.250-12 |
| SPECIAL FEATURES | FURNISHED WITH TWO WASHERS |
| SCREW THREAD SERIES DESIGNATOR | UN |
| SURFACE TREATMENT | ANODIZE |