11780072: 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 WIDTH: 0.338 INCHES NOMINAL IN, DIAMETER: 3.420 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, ABBE CONSTANT: 27.600, AXIAL THICKNESS: 0.125 INCHES NOMINAL IN, REFRACTION INDEX: 1.7550 NOMINAL. This part is cataloged in the U.S.
Government catalog under NSN 6650-01-070-3257, 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 | 0.338 INCHES NOMINAL IN |
| DIAMETER | 3.420 INCHES NOMINAL IN |
| MATERIAL | GLASS OPTICAL |
| ABBE CONSTANT | 27.600 |
| AXIAL THICKNESS | 0.125 INCHES NOMINAL IN |
| REFRACTION INDEX | 1.7550 NOMINAL |
| SPECIAL FEATURES | LEFT SIDE BEVELED TO 3.1 IN. DIA OVER 0.238 IN.; EDGES BLACKENED WITH LACQUER; MAGNESIUM FLOURIDE COATING IN |
| SINGLE LENS STYLE | DOUBLE CONCAVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| NSN | 6650-01-070-3257 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| DIAMETER | 3.420 INCHES NOMINAL IN |
| ABBE CONSTANT | 27.600 |
| AXIAL THICKNESS | 0.125 INCHES NOMINAL IN |
| SPECIAL FEATURES | LEFT SIDE BEVELED TO 3.1 IN. DIA OVER 0.238 IN.; EDGES BLACKENED WITH LACQUER; MAGNESIUM FLOURIDE COATING IN |
| WIDTH | 0.338 INCHES NOMINAL IN |
| MATERIAL | GLASS OPTICAL |
| REFRACTION INDEX | 1.7550 NOMINAL |
| SINGLE LENS STYLE | DOUBLE CONCAVE |