The WINDOW,OPTICAL INSTRUMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include diameter: 41.500 MILLIMETERS NOMINAL MM, material: GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED, thickness: 4.500 MILLIMETERS NOMINAL MM, bevel_depth: 3.000 MILLIMETERS NOMINAL MM, polished_surface: BOTH, refraction_index: 1.5171 NOMINAL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1240-00-530-1320, 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.
| diameter | 41.500 MILLIMETERS NOMINAL MM |
| material | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| thickness | 4.500 MILLIMETERS NOMINAL MM |
| bevel_depth | 3.000 MILLIMETERS NOMINAL MM |
| polished_surface | BOTH |
| refraction_index | 1.5171 NOMINAL |
| bevel_angle_in_deg | 45.000 NOMINAL |
| polished_periphery | NOT PROVIDED |
| fsc_application_data | TELESCOPE,STRAIGHT |
| reflection_reducing_surface | BOTH |
| material_document_and_classification | JAN-G-174, TYPE 517-645, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| NSN | 1240-00-530-1320 |
| DIAMETER | 41.500 MILLIMETERS NOMINAL MM |
| POLISHED SURFACE | BOTH |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, TYPE 517-645, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| FSC APPLICATION DATA | TELESCOPE,STRAIGHT |
| MATERIAL | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| BEVEL DEPTH | 3.000 MILLIMETERS NOMINAL MM |
| REFLECTION REDUCING SURFACE | BOTH |
| THICKNESS | 4.500 MILLIMETERS NOMINAL MM |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| POLISHED PERIPHERY | NOT PROVIDED |