# NSN 6650-01-718-1820: Lens, Optical Instrument, Mounted

NSN 6650-01-718-1820 (also written 6650017181820; NIIN 01-718-1820) is a lens, optical instrument, mounted in Federal Supply Class 6650, Optical Instruments, Test Equipment, Components and Accessories. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 6650-01-718-1820 (6650017181820)
- NIIN: 01-718-1820 (017181820)
- Item name: LENS,OPTICAL INSTRUMENT,MOUNTED
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | REPLACEMENT GERMANIUM WINDOW |
| AGAV | END ITEM IDENTIFICATION | THERMAL IMAGER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| ARG MI RWS | 15852 | W S DARLEY & CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ARG MI RWS | 1LEW5 | AVON PROTECTION SYSTEMS INCORPORATED DBA AVON PROTECTION SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE7L726V0759](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6650017181820) | LENS, OPTICAL INSTRU | SAFEWARE INC DBA SAFEWARE EMERGENCY MANAGEMENT | $4,018.30 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6650017181820&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6650017181820
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/6650-01-718-1820/
JSON: https://nsnexplorer.com/api/nsn/6650-01-718-1820.json