The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS, edge_type: BEVELED, surface_finish: POLISHED, overall_diameter: 2.500 INCHES NOMINAL IN, style_designator: CIRCULAR, overall_thickness: 0.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9340-00-526-5185, 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 | BEVELED |
| ply_quantity | 1 |
| surface_finish | POLISHED |
| overall_diameter | 2.500 INCHES NOMINAL IN |
| style_designator | CIRCULAR |
| overall_thickness | 0.500 INCHES NOMINAL IN |
| material_transparency | CLEAR |
| environmental_protection | WEATHER RESISTANT |
| nondefinitive_spec/std_data | A TYPE |
| material_document_and_classification | DD-G-451,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE |
| NSN | 9340-00-526-5185 |
| PLY QUANTITY | 1 |
| OVERALL THICKNESS | 0.500 INCHES NOMINAL IN |
| STYLE DESIGNATOR | CIRCULAR |
| NONDEFINITIVE SPEC/STD DATA | A TYPE |
| MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE |
| EDGE TYPE | BEVELED |
| MATERIAL | GLASS |
| ENVIRONMENTAL PROTECTION | WEATHER RESISTANT |
| SURFACE FINISH | POLISHED |
| OVERALL DIAMETER | 2.500 INCHES NOMINAL IN |