The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, outside_diameter: 4.500 INCHES NOMINAL IN, aperture_diameter: 0.3438 INCHES NOMINAL IN, mounting_hole_type: ROUND, UNTHREADED, mounting_hole_diameter: 0.4375 INCHES NOMINAL IN, mounting_bolt_circle_diameter: 3.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8964, 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 OVERALL |
| outside_diameter | 4.500 INCHES NOMINAL IN |
| aperture_diameter | 0.3438 INCHES NOMINAL IN |
| mounting_hole_type | ROUND, UNTHREADED |
| mounting_hole_diameter | 0.4375 INCHES NOMINAL IN |
| bolt_circle_hole_quantity | 4 |
| mounting_bolt_circle_diameter | 3.750 INCHES NOMINAL IN |
| mounting_hole_arrangement_style | SINGLE BOLT HOLE CIRCLE |
| NSN | 3110-00-144-8964 |
| OVERALL WIDTH | 28.0 MILLIMETERS NOMINAL MM |
| MATERIAL | STEEL OVERALL |
| INTERNAL FIT-UP DESIGNATION | STANDARD |
| OVERALL OUTSIDE DIAMETER | 180.00 MILLIMETERS NOMINAL MM |
| STYLE DESIGNATOR | NON-LOADING GROOVE, NON-SEPARABLE |
| BORE SHAPE | STRAIGHT |
| BORE DIAMETER | 120.00 MILLIMETERS NOMINAL MM |
| SURFACE FINISH | GROUND |
| LOAD DIRECTION | RADIAL |
| STANDARD TOLERANCE DESIGNATION | ABEC NO.1 |