810-2145528: NUT,UNION.
The NUT,UNION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: HEXAGON, nut_height: 0.438 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-270-9812, 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 | HEXAGON |
| nut_height | 0.438 INCHES NOMINAL IN |
| thread_class | 3B |
| thread_series | UNF |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.688 INCHES NOMINAL IN |
| nominal_thread_size | 0.563 INCHES IN |
| hole_configuration_style | CONFIGURATION C |
| thread_quantity_per_inch | 18 |
| material_document_and_classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| NSN | 4730-01-270-9812 |
| UNION OUTSIDE DIAMETER | 0.390 INCHES NOMINAL IN |
| FLANGE THICKNESS | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| END CONNECTION TYPE | BRAZED |
| OVERALL LENGTH | 0.438 INCHES NOMINAL IN |
| SEAT TYPE | GASKET |
| TUBING OUTSIDE DIAMETER | 0.250 INCHES NOMINAL IN |
| SPECIAL FEATURES | FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY. AS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINATION |
| MATERIAL | COPPER ALLOY 706 |
| FLANGE OUTSIDE DIAMETER | 0.497 INCHES NOMINAL IN |