2147689: PLATE,RETAINING,BEARING.
The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM, outside_diameter: 2.156 INCHES NOMINAL IN, style_designator: ROUND, aperture_diameter: 0.812 INCHES NOMINAL IN, counterbore_depth: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 3110-01-317-5293, 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 COMP 4140 OVERALL |
| hardness_rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| outside_diameter | 2.156 INCHES NOMINAL IN |
| style_designator | ROUND |
| aperture_diameter | 0.812 INCHES NOMINAL IN |
| counterbore_depth | 0.125 INCHES NOMINAL IN |
| overall_thickness | 0.562 INCHES NOMINAL IN |
| surface_treatment | PHOSPHATE MANGANESE OVERALL |
| mounting_hole_type | ROUND, UNTHREADED, COUNTERBORED |
| counterbore_diameter | 0.438 INCHES NOMINAL IN |
| raised_surface_height | 0.156 INCHES NOMINAL IN |
| mounting_hole_diameter | 0.281 INCHES NOMINAL IN |
| NSN | 3110-01-317-5293 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| RAISED SURFACE HEIGHT | 0.156 INCHES NOMINAL IN |
| BOLT CIRCLE HOLE QUANTITY | 6 |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED, COUNTERBORED |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| OVERALL THICKNESS | 0.562 INCHES NOMINAL IN |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | ROUND |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304-79 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MOUNTING HOLE DIAMETER | 0.281 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.