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: 1.417 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, ABBE CONSTANT: 57.400 AND 36.600, AXIAL THICKNESS: 0.276 INCHES NOMINAL AND 0.118 INCHES NOMINAL IN, REFRACTION INDEX: 1.5720 NOMINAL AND 1.6190 NOMINAL, BACK FOCAL LENGTH: 6.931 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 6650-00-382-1898, 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 | 1.417 INCHES NOMINAL IN |
| MATERIAL | GLASS OPTICAL |
| ABBE CONSTANT | 57.400 AND 36.600 |
| AXIAL THICKNESS | 0.276 INCHES NOMINAL AND 0.118 INCHES NOMINAL IN |
| REFRACTION INDEX | 1.5720 NOMINAL AND 1.6190 NOMINAL |
| BACK FOCAL LENGTH | 6.931 INCHES IN |
| FRONT FOCAL LENGTH | 7.113 INCHES IN |
| COMPOUND LENS STYLE | DOUBLET |
| FSC APPLICATION DATA | FIRE CONTROL,TELESCOPE,MK 74 |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| EQUIVALENT FOCAL LENGTH | 7.147 INCHES IN |
| ELEMENT LEFT SURFACE RADIUS | -2.323 INCHES AND 4.507 INCHES IN |
| NSN | 6650-00-382-1898 |
| ABBE CONSTANT | 57.400 AND 36.600 |
| REFRACTION INDEX | 1.5720 NOMINAL AND 1.6190 NOMINAL |
| COMPOUND LENS STYLE | DOUBLET |
| FSC APPLICATION DATA | FIRE CONTROL,TELESCOPE,MK 74 |
| MATERIAL | GLASS OPTICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| AXIAL THICKNESS | 0.276 INCHES NOMINAL AND 0.118 INCHES NOMINAL IN |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| COMPOUND LENS EDGE THICKNESS | 0.324 INCHES NOMINAL IN |
| ELEMENT RIGHT SURFACE RADIUS | -2.323 INCHES AND -18.915 INCHES IN |