7593589: 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: 1.733 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, ABBE CONSTANT: 64.500, AXIAL THICKNESS: 0.545 INCHES NOMINAL IN, REFRACTION INDEX: 1.5170 NOMINAL, BACK FOCAL LENGTH: 4.450 INCHES IN. This part is cataloged in the U.S.
Government catalog under NSN 6650-00-759-3589, 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 | 1.733 INCHES NOMINAL IN |
| MATERIAL | GLASS OPTICAL |
| ABBE CONSTANT | 64.500 |
| AXIAL THICKNESS | 0.545 INCHES NOMINAL IN |
| REFRACTION INDEX | 1.5170 NOMINAL |
| BACK FOCAL LENGTH | 4.450 INCHES IN |
| SINGLE LENS STYLE | MENISCUS CONVERGING |
| FSC APPLICATION DATA | PERISCOPE,M20A1 |
| EQUIVALENT FOCAL LENGTH | 4.913 INCHES IN |
| ELEMENT LEFT SURFACE RADIUS | 1.971 INCHES IN |
| ELEMENT RIGHT SURFACE RADIUS | 7.968 INCHES IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| NSN | 6650-00-759-3589 |
| FSC APPLICATION DATA | PERISCOPE,M20A1 |
| BACK FOCAL LENGTH | 4.450 INCHES IN |
| ELEMENT LEFT SURFACE RADIUS | 1.971 INCHES IN |
| EQUIVALENT FOCAL LENGTH | 4.913 INCHES IN |
| ELEMENT RIGHT SURFACE RADIUS | 7.968 INCHES IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| DIAMETER | 1.733 INCHES NOMINAL IN |
| ABBE CONSTANT | 64.500 |
| AXIAL THICKNESS | 0.545 INCHES NOMINAL IN |
| MATERIAL | GLASS OPTICAL |
No substitute or cross-reference records for this part.