The WINDOW,OPTICAL INSTRUMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include width: 287.000 MILLIMETERS MINIMUM AND 288.000 MILLIMETERS MAXIMUM MM, length: 349.000 MILLIMETERS MINIMUM AND 350.000 MILLIMETERS MAXIMUM MM, material: GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED, thickness: 18.800 MILLIMETERS MINIMUM AND 19.200 MILLIMETERS MAXIMUM MM, dispersion: 64.5 ANGSTROMS NOMINAL, bevel_depth: 2.000 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1240-00-171-4177, 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.
| width | 287.000 MILLIMETERS MINIMUM AND 288.000 MILLIMETERS MAXIMUM MM |
| length | 349.000 MILLIMETERS MINIMUM AND 350.000 MILLIMETERS MAXIMUM MM |
| material | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| thickness | 18.800 MILLIMETERS MINIMUM AND 19.200 MILLIMETERS MAXIMUM MM |
| dispersion | 64.5 ANGSTROMS NOMINAL |
| bevel_depth | 2.000 MILLIMETERS NOMINAL MM |
| refraction_index | 1.5170 NOMINAL |
| special_features | FOUR ROUNDED CORNERS 26.5 MM PLUS 1.0,MINUS 0.0 (1.0433 IN.) RADIUS MM |
| bevel_angle_in_deg | 45.000 NOMINAL |
| polished_periphery | NOT PROVIDED |
| fsc_application_data | TELESCOPE MK 102 MOD 3 |
| reflection_reducing_surface | ONE |
| NSN | 1240-00-171-4177 |
| POLISHED PERIPHERY | NOT PROVIDED |
| LENGTH | 349.000 MILLIMETERS MINIMUM AND 350.000 MILLIMETERS MAXIMUM MM |
| REFLECTION REDUCING SURFACE | ONE |
| SPECIAL FEATURES | FOUR ROUNDED CORNERS 26.5 MM PLUS 1.0,MINUS 0.0 (1.0433 IN.) RADIUS MM |
| FSC APPLICATION DATA | TELESCOPE MK 102 MOD 3 |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, TYPE 517-645, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| MATERIAL | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| BEVEL DEPTH | 2.000 MILLIMETERS NOMINAL MM |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| WIDTH | 287.000 MILLIMETERS MINIMUM AND 288.000 MILLIMETERS MAXIMUM MM |