The LENS,OPTICAL INSTRUMENT is a NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER optical transceiver module designed for high-speed data center interconnects. Key specifications include DIAMETER: 1.99212 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, ABBE CONSTANT: 56.200, AXIAL THICKNESS: 0.35433 INCHES NOMINAL IN, REFRACTION INDEX: 1.6968 NOMINAL, BACK FOCAL LENGTH: 3.409 INCHES 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 6650-00-382-1740, 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 | 1.99212 INCHES NOMINAL IN |
| MATERIAL | GLASS OPTICAL |
| ABBE CONSTANT | 56.200 |
| AXIAL THICKNESS | 0.35433 INCHES NOMINAL IN |
| REFRACTION INDEX | 1.6968 NOMINAL |
| BACK FOCAL LENGTH | 3.409 INCHES IN |
| SINGLE LENS STYLE | MENISCUS CONVERGING |
| FRONT FOCAL LENGTH | 3.126 INCHES IN |
| FSC APPLICATION DATA | 1. FIRE CONTROL TELESCOPE MK 102 MOD 3 |
| INDIVIDUAL LENS STYLE | MENISCUS CONVERGING |
| EQUIVALENT FOCAL LENGTH | 3.370 INCHES IN |
| ELEMENT LEFT SURFACE RADIUS | -13.154 INCHES IN |
| NSN | 6650-00-382-1740 |
| MATERIAL | GLASS OPTICAL |
| COMPOUND LENS EDGE THICKNESS | 0.12834 INCHES NOMINAL IN |
| BACK FOCAL LENGTH | 3.409 INCHES IN |
| FSC APPLICATION DATA | 1. FIRE CONTROL TELESCOPE MK 102 MOD 3 |
| EQUIVALENT FOCAL LENGTH | 3.370 INCHES IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| ELEMENT LEFT SURFACE RADIUS | -13.154 INCHES IN |
| AXIAL THICKNESS | 0.35433 INCHES NOMINAL IN |
| FRONT FOCAL LENGTH | 3.126 INCHES IN |
| ABBE CONSTANT | 56.200 |