# NSN 6650-00-864-2942: Lens, Optical Instrument

NSN 6650-00-864-2942 (also written 6650008642942; NIIN 00-864-2942) is a lens, optical instrument in Federal Supply Class 6650, Optical Instruments, Test Equipment, Components and Accessories. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 6650-00-864-2942 (6650008642942)
- NIIN: 00-864-2942 (008642942)
- Item name: LENS,OPTICAL INSTRUMENT
- Federal Supply Class: [FSC 6650 Optical Instruments, Test Equipment, Components and Accessories](https://nsnexplorer.com/fsc/6650/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| BMMT | BACK FOCAL LENGTH | INCHES 2.192 |
| ZZZV | FSC APPLICATION DATA | TELESCOPE,PANORAMIC |
| MATT | MATERIAL | GLASS OPTICAL |
| BMMZ | ABBE CONSTANT | 57.400 AND 30.900 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL SPEC 1ST MATERIAL RESPONSE -IL-G-174,GRADE C,TYE 689-309 AND MIL SPEC 2ND MATERIAL RESPONSE -IL-G-174,GRADE C,TYE 573-574 |
| BMSD | INDIVIDUAL LENS STYLE | — |
| CTKW | ELEMENT LEFT SURFACE RADIUS | INCHES -1.589 AND INCHES 1.244 |
| FEAT | SPECIAL FEATURES | PLANO EDGE CHAMFERED 0.020 INCH AT 45 DEGREES |
| ABMZ | DIAMETER | INCHES MINIMUM 0.997 AND INCHES MAXIMUM 1.000 |
| BMLY | AXIAL THICKNESS | INCHES NOMINAL 0.364 AND INCHES NOMINAL 0.121 |
| BMMN | COMPOUND LENS OVERALL AXIAL THICKNESS | INCHES MINIMUM 0.465 AND INCHES MAXIMUM 0.505 |
| BMMS | EQUIVALENT FOCAL LENGTH | INCHES 2.534 |
| BMSC | COMPOUND LENS STYLE | — |
| BMMX | REFRACTION INDEX | NOMINAL 1.5730 AND NOMINAL 1.6890 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7660504 | 03829 | GENERAL SCIENTIFIC CORP DBA SURGITEL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7660504 | 19200 | COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7660504 | 94809 | PLUMMER PRECISION OPTICS CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6650008642942&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6650008642942
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/6650-00-864-2942/
JSON: https://nsnexplorer.com/api/nsn/6650-00-864-2942.json
