8574712: LENS,OPTICAL INSTRUMENT.
The LENS,OPTICAL INSTRUMENT is a COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE optical transceiver module designed for high-speed data center interconnects. Key specifications include DIAMETER: 1.4370 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, ABBE CONSTANT: 58.800 AND 36.600, AXIAL THICKNESS: 0.622 INCHES NOMINAL AND 0.338 INCHES NOMINAL IN, REFRACTION INDEX: 1.6110 NOMINAL AND 1.6170 NOMINAL, BACK FOCAL LENGTH: 9.270 INCHES IN. This part is cataloged in the U.S.
Government catalog under NSN 6650-00-683-9550, 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 | 1.4370 INCHES NOMINAL IN |
| MATERIAL | GLASS OPTICAL |
| ABBE CONSTANT | 58.800 AND 36.600 |
| AXIAL THICKNESS | 0.622 INCHES NOMINAL AND 0.338 INCHES NOMINAL IN |
| REFRACTION INDEX | 1.6110 NOMINAL AND 1.6170 NOMINAL |
| BACK FOCAL LENGTH | 9.270 INCHES IN |
| COMPOUND LENS STYLE | DOUBLET |
| FSC APPLICATION DATA | TELESCOPE,M105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE |
| EQUIVALENT FOCAL LENGTH | 6.340 INCHES IN |
| ELEMENT LEFT SURFACE RADIUS | 1.441 INCHES IN |
| COMPOUND LENS EDGE THICKNESS | 0.8125 INCHES NOMINAL IN |
| NSN | 6650-00-683-9550 |
| FSC APPLICATION DATA | TELESCOPE,M105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE |
| BACK FOCAL LENGTH | 9.270 INCHES IN |
| ELEMENT LEFT SURFACE RADIUS | 1.441 INCHES IN |
| EQUIVALENT FOCAL LENGTH | 6.340 INCHES IN |
| ELEMENT RIGHT SURFACE RADIUS | 2.701 INCHES IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| DIAMETER | 1.4370 INCHES NOMINAL IN |
| ABBE CONSTANT | 58.800 AND 36.600 |
| AXIAL THICKNESS | 0.622 INCHES NOMINAL AND 0.338 INCHES NOMINAL IN |