The AA31681 is a the manufacturer industrial component. Key specifications include color: BLACK, overall_depth: 0.438 INCHES NOMINAL IN, inside_diameter: 0.164 INCHES NOMINAL IN, outside_diameter: 1.062 INCHES NOMINAL IN, special_features: ADDITIONAL REFERENCE MARKING: PUSH IN, style_designator: ROUND. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-474-4221, 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.
| color | BLACK |
| overall_depth | 0.438 INCHES NOMINAL IN |
| inside_diameter | 0.164 INCHES NOMINAL IN |
| outside_diameter | 1.062 INCHES NOMINAL IN |
| special_features | ADDITIONAL REFERENCE MARKING: PUSH IN |
| style_designator | ROUND |
| attachment_method | SCREW ON |
| overall_thickness | 0.562 INCHES NOMINAL IN |
| reference_marking | PRIMER AND PULL OUT |
| nominal_thread_size | 0.164 INCHES RECEPTACLE IN |
| thread_quantity_per_inch | 32 RECEPTACLE |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) RECEPTACLE |
| NSN | 5355-00-474-4221 |
| OVERALL DEPTH | 0.438 INCHES NOMINAL IN |
| THREAD QUANTITY PER INCH | 32 RECEPTACLE |
| COLOR | BLACK |
| NOMINAL THREAD SIZE | 0.164 INCHES RECEPTACLE IN |
| STYLE DESIGNATOR | ROUND |
| SPECIAL FEATURES | ADDITIONAL REFERENCE MARKING: PUSH IN |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RECEPTACLE |
| REFERENCE MARKING | PRIMER AND PULL OUT |
| GRIPPING SURFACE CONDITION | SMOOTH |
| SHAFT ACCOMMODATION STYLE | ROUND |