COUPLING ASSEMBLY,SOUND ISOLATIO. Key specifications include material: STEEL, thickness: 0.500 INCHES NOMINAL IN, flange_diameter: 4.250 INCHES NOMINAL IN, style_designator: ROUND, ONE BOLT HOLE CIRCLE, surface_treatment: OXIDE, bolt_hole_diameter: 0.547 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-893-3824, 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 |
| thickness | 0.500 INCHES NOMINAL IN |
| flange_diameter | 4.250 INCHES NOMINAL IN |
| style_designator | ROUND, ONE BOLT HOLE CIRCLE |
| surface_treatment | OXIDE |
| bolt_hole_diameter | 0.547 INCHES NOMINAL IN |
| bolt_hole_quantity | 4 |
| bolt_circle_diameter | 3.141 INCHES NOMINAL IN |
| flange_section_style | PLAIN FACE (BLIND) |
| face_seating_surface_condition | MACHINED |
| NSN | 4730-00-893-3824 |
| THICKNESS | 0.500 INCHES NOMINAL IN |
| BOLT HOLE QUANTITY | 4 |
| FLANGE DIAMETER | 4.250 INCHES NOMINAL IN |
| BOLT HOLE DIAMETER | 0.547 INCHES NOMINAL IN |
| SURFACE TREATMENT | OXIDE |
| MATERIAL | STEEL |
| STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
| FACE SEATING SURFACE CONDITION | MACHINED |
| FLANGE SECTION STYLE | PLAIN FACE (BLIND) |
| BOLT CIRCLE DIAMETER | 3.141 INCHES NOMINAL IN |