MOUNTING BASE,ELECTRICAL EQUIPME. Key specifications include material: STEEL OVERALL, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE IN OUTER RING; EXTRA CAPACITY OUTER RING. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1630-00-028-0273, 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 |
| bore_diameter | 0.3750 INCHES NOMINAL IN |
| overall_width | 0.5000 INCHES NOMINAL IN |
| alignment_type | RIGID |
| surface_finish | GROUND |
| special_features | OIL HOLE IN OUTER RING; EXTRA CAPACITY OUTER RING |
| style_designator | NON-SEPARABLE, OPEN END, DRAWN SHELL |
| overall_outside_diameter | 0.6250 INCHES NOMINAL IN |
| retainer_fabrication_method | PRESSED |
| standard_tolerance_designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| NSN | 1630-00-028-0273 |
| SURFACE CONDITION AND LOCATION | ONE SIDE GROUND |
| FEATURES PROVIDED | RIGID FRICTION LINING |
| LINING STYLE | CLUTCH DISK |
| THICKNESS | 0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| MAJOR DIAMETER | 1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN |
| APPLICATION TYPE | DRY |
| MINOR DIAMETER | 0.246 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| FSC APPLICATION DATA | STATOR PLATE,BRAKE,AIRCRAFT |