1578-16: NUT,UNION.
The NUT,UNION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, nut_style: HEXAGON, nut_height: 1.188 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, shoulder_width: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-053-6515, 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 | NICKEL ALLOY OVERALL |
| nut_style | HEXAGON |
| nut_height | 1.188 INCHES NOMINAL IN |
| thread_class | 2B |
| thread_series | UN |
| shoulder_width | 0.188 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 2.562 INCHES NOMINAL IN |
| nominal_thread_size | 2.312 INCHES IN |
| shoulder_step_width | 0.250 INCHES NOMINAL IN |
| shoulder_seat_diameter | 2.375 INCHES NOMINAL IN |
| smallest_inside_diameter | 1.938 INCHES NOMINAL IN |
| NSN | 4730-01-053-6515 |
| WIDTH ACROSS FLATS | 2.562 INCHES NOMINAL IN |
| SHOULDER STEP WIDTH | 0.250 INCHES NOMINAL IN |
| SHOULDER WIDTH | 0.188 INCHES NOMINAL IN |
| THREAD SERIES | UN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288,COMP A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,CL B FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED | 4500.0 POUNDS PER SQUARE INCH (PSI) OIL AND 4500.0 POUNDS PER SQUARE INCH (PSI) WATER LBS |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 2.312 INCHES IN |
| NUT HEIGHT | 1.188 INCHES NOMINAL IN |
| NUT STYLE | HEXAGON |
No substitute or cross-reference records for this part.