The 31W217 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, alignment_type: RIGID, overall_height: 0.7656 INCHES NOMINAL IN, surface_finish: GROUND, special_features: BANDED OD, style_designator: GROOVED RACE SURFACE, BANDED OD. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-521-5305, 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 |
| alignment_type | RIGID |
| overall_height | 0.7656 INCHES NOMINAL IN |
| surface_finish | GROUND |
| special_features | BANDED OD |
| style_designator | GROOVED RACE SURFACE, BANDED OD |
| bore_smallest_diameter | 1.2550 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN |
| overall_outside_diameter | 2.5938 INCHES NOMINAL IN |
| standard_tolerance_designation | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| thrust_directional_capability_designation | SINGLE |
| NSN | 2530-00-521-5305 |