8991255-1: WINDOW,OBSERVATION.
The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS, edge_type: FLAT FINISH, overall_diameter: 0.878 INCHES MINIMUM AND 0.879 INCHES MAXIMUM IN, style_designator: CIRCULAR, overall_thickness: 0.300 INCHES NOMINAL IN, fsc_application_data: GLASS FABRICATED MATERIALS. This part is cataloged in the U.S.
Government catalog under NSN 9340-00-447-1801, 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 | GLASS |
| edge_type | FLAT FINISH |
| overall_diameter | 0.878 INCHES MINIMUM AND 0.879 INCHES MAXIMUM IN |
| style_designator | CIRCULAR |
| overall_thickness | 0.300 INCHES NOMINAL IN |
| fsc_application_data | GLASS FABRICATED MATERIALS |
| material_transparency | CLEAR |
| end_item_identification | RADAR SET,AN/UPS-1 |
| insulating_air_space_material_arrangement | METAL TO GLASS |
| NSN | 9340-00-447-1801 |
| FSC APPLICATION DATA | GLASS FABRICATED MATERIALS |
| INSULATING AIR SPACE MATERIAL ARRANGEMENT | METAL TO GLASS |
| OVERALL DIAMETER | 0.878 INCHES MINIMUM AND 0.879 INCHES MAXIMUM IN |
| OVERALL THICKNESS | 0.300 INCHES NOMINAL IN |
| MATERIAL TRANSPARENCY | CLEAR |
| STYLE DESIGNATOR | CIRCULAR |
| EDGE TYPE | FLAT FINISH |
| END ITEM IDENTIFICATION | RADAR SET,AN/UPS-1 |
| MATERIAL | GLASS |
No substitute or cross-reference records for this part.