9290-4: OPTOLINER.
The OPTOLINER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 OVERALL, thread_length: 1.125 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 10.500 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 45.000 NOMINAL, nominal_thread_size: 1.182 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.
Government catalog under NSN 6625-00-403-8106, 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 | COPPER ALLOY 922 OVERALL |
| thread_length | 1.125 INCHES NOMINAL SINGLE THREADED PORTION IN |
| flange_diameter | 10.500 INCHES NOMINAL IN |
| special_features | SEAT HAS 2 STEPPED DIAMETERS ABOVE THE FLANGE AND 2 STEPPED DIAMETERS BELOW THE FLANGE, CLOSEST ONE THREADED AND THE OTHER NOT THREADED. |
| style_designator | THREADED FLANGED |
| seat_angle_in_deg | 45.000 NOMINAL |
| nominal_thread_size | 1.182 INCHES SINGLE THREADED PORTION IN |
| under_flange_height | 2.500 INCHES NOMINAL IN |
| body_inside_diameter | 8.000 INCHES NOMINAL IN |
| seating_surface_shape | ANGULAR |
| end_item_identification | 4820-01-532-2589 SAFETY RELIEF VALVE |
| thread_series_designator | NPT SINGLE THREADED PORTION |
| NSN | 6625-00-403-8106 |
| REFERENCE DATA AND LITERATURE | TO 1H-53(M)J-4 |
| END ITEM IDENTIFICATION | H-53 HELICOPTER |
No substitute or cross-reference records for this part.